taxonID	type	description	language	source
03C7082F3C498F13FD8EFD4BFE94FAB0.taxon	description	Fig. 1 A	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F13FD8EFD4BFE94FAB0.taxon	materials_examined	Material examined Holotype CHINA • ♂; [p] “ China: C Sichuan 1993 // Luding Co. Moxi env. // V. Beneš lgt. 22.5. ‒ 10.6. ”, “ HOLOTYPUS // Stenothemus // benesi sp. n. // V. Švihla det. 2003 ”; NMPC. Additional material CHINA – Sichuan • 1 ♂; Emei Shan; 2100 ‒ 3100 m a. s. l.; 25 Jun. 1955; Bushchik leg.; IZAS. – Yunnan • 2 ♂♂; “ Bailakou pass 3750 m, 28 May ‒ 7 Jun. 2006, S. Murzin & I. Shokhin leg. ”; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F13FD8EFD4BFE94FAB0.taxon	distribution	Distribution China (Sichuan, Yunnan). New record for Yunnan Province.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F13FD8EFD4BFE94FAB0.taxon	discussion	Remarks A type habitus photograph (Fig. 1 A) is presented for the first time to allow comparison with the following species.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F14FE2EFA4DFCEFF961.taxon	description	Figs 1 B, 2 A ‒ C, 3 A, 4 A	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F14FE2EFA4DFCEFF961.taxon	materials_examined	Material examined Holotype CHINA • ♂; [p] “ China: Shaanxi 21. ‒ 23.6. // Quing Ling Shan Mts. 1998 // rd. Baoji-Taibai, 35 km S Baoji // O. Šafránek & M. Trýzna lgt. ”, “ HOLOTYPUS // Stenothemus // benesi shaanxiensis ssp. n. // V. Švihla det. 2003 ”; NMPC. Additional material CHINA – Chongqing • 1 ♂; Chengkou, Dong’an, Shengjiaping; 31.791 º N, 109.241 º E; 1819 m a. s. l.; 16 Jun. 2017; B. Chen leg.; CQNU • 1 ♂; Chengkou, Dong’an, Huang’anba Grassland; 31.846 º N, 109.199 º E; 2249 m a. s. l.; 15 Jun. 2017; B. Chen leg.; CQNU. – Shaanxi • 1 ♀; Zhouzhi, Houzhenzi; 1550 ‒ 3000 m a. s. l.; 22 Jun. 1999; J. Hu leg.; IZAS • 1 ♀; Zhouzhi, Houzhenzi; 2500 ‒ 3000 m a. s. l.; 22 Jun. 1999; C. M. Liu leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F14FE2EFA4DFCEFF961.taxon	description	Descriptive notes Body length (both sexes): 5.5 ‒ 8.3 mm; width: 1.5 ‒ 2.6 mm. Male (Fig. 1 B) AEDEAGUS (Fig. 2 A ‒ C). Moderately swollen dorsally at basal part, moderately reduced basally in diameter; basal piece nearly as long as dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, long and slightly widened apically, nearly straight in lateral view; dorsal plate nearly as long as ventral process, evenly narrowed apically and next to each other, apex rounded and folded ventrally; apical parts of laterophyses depressed and approaching each other, apex acute and directed dorsally, slightly exceeding middle emargination between dorsal plates. Female ABDOMINAL STERNITE VIII (Fig. 3 A). Obliquely narrowed posteriorly, lateroapical angles obtusely rectangular, posterior margin deeply and triangularly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is moderately sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4 A). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a long duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.33 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct much shorter than diverticulum; spermatheca slender, tube-shaped and spiral, clearly thinner than spermathecal duct and slightly shorter than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder moderately thin, nearly as long as spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F14FE2EFA4DFCEFF961.taxon	distribution	Distribution China (Shaanxi, Chongqing). New record for Chongqing.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C498F14FE2EFA4DFCEFF961.taxon	discussion	Remarks In the original publication (Švihla 2004), this species was treated as a subspecies of S. benesi. However, differences between the two taxa are found not only in the external appearance, but also in the structures of the aedeagus. In S. shaanxiensis, the body is smaller and yellow (Fig. 1 B), aedeagus (Fig. 2 A ‒ C) with the dorsal plate of each paramere approaching that of the other, and the ventral process of each paramere distinctly thickened apically. In contrast, in S. benesi, the body is larger and brown (Fig. 1 A), aedeagus (Švihla 2004: figs 161 ‒ 163) with dorsal plates of parameres separated from each other and ventral process of each paramere slightly thickened apically. These differences are sufficient to support their independent status, so it is proposed that S. shaanxiensis is separated from S. benesi and upgraded to the specific level. The dorsal and ventral view of the aedeagus and the female reproductive system for this species are described and illustrated for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C4E8F16FDC0F974FC38F878.taxon	description	Figs 1 C, 2 D ‒ F, 3 B, 4 B	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C4E8F16FDC0F974FC38F878.taxon	materials_examined	Material examined Holotype CHINA • ♀; [p] “ MUSEUM PARIS // MOU. PIN / A. DAVID 1870 ”, [h] “ 1233 ”, “ 818 ”, “ Alle Klauen // einfach ”, [h-p] “ Det. M. Pic (Digoin) // Anolisus / Davidi Pic // n. sp. ”, [p] “ HOLOTYPE ”, [h-p] “ Stenothemus // davidi (Pic) // det. Y. X. Yang, 2009 ”; MNHN. Additional material CHINA – Shaanxi • 1 ♂; Daguping Protection Station ‒ Yueba Protection Station; 30 Jun. 2012; W. G. Liu leg.; IZAS • 1 ♀; Qinling, Zhouzhi, Houzhenzi; 1276 m a. s. l.; 2 Jul. 2008; W. G. Liu leg.; IZAS. – Sichuan • 1 ♂; Emei Shan, Baoguosi; 550 ‒ 750 m a. s. l.; 10 May 1957; K. R. Huang leg.; IZAS • 1 ♂; same collection data as for preceding; 5 Jun. 1957; F. X. Zhu leg.; IZAS • 1 ♂; Emei Shan, Qingyin’ge; 800 ‒ 1000 m a. s. l.; 7 May 1957; Z. Y. Wang leg.; IZAS • 1 ♂; same collection data as for preceding; 9 May 1957; Y. C. Lu leg.; IZAS • 1 ♂; Emei Shan; 1100 ‒ 1800 m a. s. l.; 23 Jun. 1955; Z. L. Ge leg.; IZAS • 1 ♂; Qingcheng Shan, Shangqinggong; 6600 m a. s. l.; 27 May 1979; P. Gao leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C4E8F16FDC0F974FC38F878.taxon	description	Descriptive notes Body length (both sexes): 5.5 ‒ 8.3 mm; width: 0.9 ‒ 1.5 mm. Male AEDEAGUS (Fig. 2 D ‒ F). Moderately swollen laterally at basal part, moderately reduced apically in diameter; basal piece nearly as long as dorsal plate of each paramere, with a small, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, moderately long and slightly thickened apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, strongly narrowed near base and approaching each other, apex acute and directed ventrally; apical parts of laterophyses depressed and separated from each other, apex acute and bent dorsally, roughly reaching middle emargination between dorsal plates. Female (Fig. 1 C) ABDOMINAL STERNITE VIII (Fig. 3 B). Moderately narrowed posteriorly, lateroapical angles widely rounded, posterior margin widely and roundly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4 B). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum moderately long, about 0.85 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and slightly shorter than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remaining parts thick, much shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C4E8F16FDC0F974FC38F878.taxon	distribution	Distribution China (Sichuan, Shaanxi). New record for Shaanxi Province.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C4E8F16FDC0F974FC38F878.taxon	discussion	Remarks The type (Fig. 1 C) is seriously damaged, with right antenna, all legs except the left proleg one and abdomen missing, and with “ alle Klauen einfach ” [‘ all claws simple’] label attached, written by Dr W. Wittmer. Fortunately, some additional material including males and females was available, enabling us to recognize it. The genitalia of both sexes are illustrated and described for the first time. Based on the structure of the aedeagus (Fig. 2 D ‒ F) and all simple claws, it definitely belongs to Stenothemus. Furthermore, no difference is found from S. dinshuiensis, including overall appearance and structure of aedeagus, so it is considered to be a junior synonym of S. davidi.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C428F18FDE5FEC7FE0CF850.taxon	description	Figs 1 D, 2 G ‒ I, 3 C, 4 C	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C428F18FDE5FEC7FE0CF850.taxon	materials_examined	Material examined Paratype CHINA • 1 ♂; [h-p] “ Yao Gi nr Mu- // pin 15 Jul // ‘ 29 7400 ‒ 8000 ft ”, [p] “ Szechuen // CHINA // D. C. Graham ”, [h] “ 119 ”, [p] “ PARATYPUS ”, [h-p] “ Stenothemus // diffusus // Wittm. // det. W. Wittmer ”, [p] “ Naturhistorisches // Museum Basel // Coll. W. Wittmer ”, “ CANTHARIDAE // CANTH 00003518 ”; NHMB. Additional material CHINA ‒ Sichuan • 1 ♀; Wolong, Wolonggou; 2150 m a. s. l.; 21 Jul. 2004; X. Wan leg.; IZAS • 3 ♂♂, 7 ♀♀; Anzihe; 9 Aug. 2016; W. Y. Zhou leg.; MHBU • 1 ♂, 6 ♀♀; Anzihe, Shaoyaogou; 1450 m a. s. l.; 9 ‒ 11 Aug. 2016; W. Y. Zhou leg.; MHBU • 1 ♀; Liziping; 25 Jul. 2016; L. M. Li leg.; MHBU • 1 ♂, 3 ♀♀; Baoxing, Kyaʼgyu Shan; 30 Jul. 2016; L. M. Li leg.; MHBU.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C428F18FDE5FEC7FE0CF850.taxon	description	Descriptive notes Body length (both sexes): 10.0 ‒ 12.8 mm; width: 2.1 ‒ 3.0 mm. Male (Fig. 1 D) AEDEAGUS (Fig. 2 G ‒ I). Strongly swollen dorsally in basal part, diameter decreased apically; basal piece slightly shorter than dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, long and slightly thickened apically; dorsal plate slightly shorter than ventral process, evenly narrowed apically, layering in middle, external layer roundly emarginate in middle, internal layer deeply and triangularly emarginate, rounded at apex; apical parts of laterophyses compressed and next to each other, apex rounded and bent dorsally, slightly exceeding middle emargination between dorsal plates. Female ABDOMINAL STERNITE VIII (Fig. 3 C). Obliquely narrowed posteriorly, lateroapical angles widely triangular, posterior margin shallowly and triangularly emarginate in the middle, and weakly sinuate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4 C). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum moderately long, about 0.35 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly longer than diverticulum; spermatheca slender tube-shaped and spiral, thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin and nearly as long as spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C428F18FDE5FEC7FE0CF850.taxon	distribution	Distribution China (Sichuan); Myanmar.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C428F18FDE5FEC7FE0CF850.taxon	discussion	Remarks The dorsal and lateral views of aedeagus and the female reproductive system are described and illustrated for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1BFD8AFEC7FBC9F91A.taxon	description	Figs 1 E, 3 D, 4 D	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1BFD8AFEC7FBC9F91A.taxon	materials_examined	Material examined Holotype CHINA • ♂; [p] “ CHINA-SICHUAN pr. // KANGDING distr. 16 ‒ 19.7. // MUGEZO lake 4500 m // R. DUNDA lgt. 1992 ”, “ HOLOTYPUS // Stenothemus // dundai sp. n. // V. Švihla det. 2003 ”; NMPC. Additional material CHINA ‒ Gansu • 1 ♂, 2 ♀♀; Wenxian, Qiujiaba, Shiyaziliang; 3200 ‒ 3400 m a. s. l.; 30 Jun. 1998; J. Yao leg.; IZAS • 1 ♂; same collection data as for preceding; J. Chen leg.; IZAS. ‒ Qinghai • 1 ♂; Yushu, Gelong; 3700 m a. s. l.; 10 Jul. 1964; S. Y. Wang leg.; IZAS • 2 ♂♂; Yushu, Gelong; 4200 m a. s. l.; 13 Jul. 1964; S. Y. Wang leg.; IZAS. ‒ Shaanxi • 2 ♀♀; Liuba, Dahongqu; 2500 m a. s. l.; 20 Jul. 1998; J. Chen leg.; IZAS. ‒ Sichuan • 1 ♀; N Jiulong; 3735 m a. s. l.; 8 ‒ 14 Jul. 2001; X. D. Yu and H. Z. Zhou leg.; IZAS • 2 ♂♂, 1 ♀; N Jiulong, Lengshan Forest; 3825 m a. s. l.; 11 ‒ 14 Jul. 2001; X. D. Yu and H. Z. Zhou leg.; IZAS • 1 ♂; same collection data as for preceding; IZAS • 7 ♂♂; Luhuo; 11 ‒ 20 Aug. 2006; F. M. Shi leg.; MHBU • 1 ♂, 1 ♀; Jiangyuan, Shuajingsi; 27 ‒ 28 Jul. 2009; Z. H. Gao and Y. P. Niu leg.; MHBU • 1 ♂; Maerkang-Daoping; 3230 m a. s. l.; 12 Jul. 1961; G. F. Li leg.; IZAS. ‒ Xizang • 1 ♂; Zhikang, Qoidȇn; 4100 m a. s. l.; 15 ‒ 16 Jul. 2008; G. D. Ren leg.; MHBU. ‒ Yunnan • 2 ♂♂; Xiaozhongdian; 3800 m a. s. l.; 1 Aug. 1984; S. Y. Wang leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1BFD8AFEC7FBC9F91A.taxon	description	Descriptive notes Body length (both sexes): 5.5 ‒ 7.0 mm; width: 1.1 ‒ 1.5 mm. Female ABDOMINAL STERNITE VIII (Fig. 3 D). Obliquely narrowed posteriorly, lateroapical angles widely triangular, posterior margin nearly straight and feebly emarginate in middle. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4 D). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.36 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, where accessory gland opens. Accessory gland thin and slightly shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1BFD8AFEC7FBC9F91A.taxon	distribution	Distribution China (Gansu, Qinghai, Shaanxi, Sichuan, Yunnan, Xizang). New records for Qinghai, Shaanxi, Yunnan.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1BFD8AFEC7FBC9F91A.taxon	discussion	Remarks The female reproductive system is illustrated and described for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1DFDE6F8D9FD24FD46.taxon	description	Figs 1 F, 3 E, 6 A ‒ C, 8 A	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1DFDE6F8D9FD24FD46.taxon	materials_examined	Material examined Paratype CHINA • 1 ♂; [h] “ Gieh Yin // Temple // Mt. Omei ”, “ Aug. 10 ‒ 11, ’ 25 // 7500 ft. alt. ”, [p] “ Szechuen // CHINA // D. C. Graham ”, [h] “ 215 ”, [p] “ PARATYPUS ”, [h-p] “ Stenothemus // grahami // Wittm. // det. W. Wittmer ”, [p] “ Naturhistorisches // Museum Basel // Coll. W. Wittmer ”, “ CANTHARIDAE // CANTH 00003898 ”; NHMB. Additional material CHINA ‒ Gansu • 1 ♂; Longnan, Huixian, Yanping Forestry Farm; 20 Sep. 2020; J. Li leg.; MHBU • 1 ♂, 1 ♀; Tianshui, Naiji, Baihua; 17 Sep. 2020; J. Li leg.; MHBU • 1 ♂; Tianshui, Naiji, Guanyin; 15 Sep. 2020; J. Li leg.; MHBU • 63 ♂♂, 14 ♀♀; same collection data as for preceding; 12 Sep. 2020; J. Li leg.; MHBU • 1 ♀; Zhugqu, Beach Forest Farm; 2400 m a. s. l.; 14 Jul. 1999; J. Yao leg.; IZAS • 1 ♀; same collection data as for preceding; T. L. He leg.; IZAS • 1 ♂, 1 ♀; same collection data as for preceding; 2400 m a. s. l.; 16 Jul. 1999; J. Yao leg.; IZAS • 1 ♀; Wenxian, Qiujiaba; 2350 m a. s. l.; 21 Jul. 1999; T. L. He leg.; IZAS. ‒ Henan • 1 ♂, 1 ♀; Songxian, Baiyun Shan; 14 ‒ 17 Aug. 2008; G. D. Ren and Q. Q. Wu leg.; MHBU • 1 ♂; Xixia, Baihe; 18 Aug. 2008; G. D. Ren and Q. Q. Wu leg.; MHBU. ‒ Hubei • 1 ♂; Xingshan, Longmenhe; 1100 m a. s. l.; 12 Sep. 1994; S. M. Song leg.; IZAS. ‒ Shaanxi • 1 ♂; Qinling; 30 Sep. 1980; J. R. Zhou leg.; IZAS • 1 ♂; Hanzhong, Mianxian, Miaoping; 9 Oct. 2020; J. Li leg.; MHBU. ‒ Sichuan • 1 ♀; Jiuzhaigou; 7 ‒ 15 Aug. 2002; M. Bai and J. F. Wang leg.; MHBU • 1 ♀; Danba, Kuiyonggou; 26 Aug. 2005; F. M. Shi leg.; MHBU • 1 ♂; Emei Shan, Xixiangchi; 1800 ‒ 2000 m a. s. l.; 18 Aug. 1957; F. X. Zhu leg.; IZAS • 1 ♂, 1 ♀; Nanping, Jiuzhaigou; 2300 m a. s. l.; 7 Sep. 1983; R. Q. Wang leg.; IZAS • 1 ♀; Nanping, Jiuzhaigou; 2300 m a. s. l.; 4 Sep. 1983; X. Z. Zhang leg.; IZAS • 1 ♂; Nanping, Jiuzhaigou; 2600 m; 5 Sep. 1983; S. Y. Wang leg.; IZAS. ‒ Xizang • 3 ♂♂, 1 ♀; Zayü Xian, Cawarong, Longcun, Aga Inn; 28.5430 º N, 98.2348 º E; 2883 m a. s. l.; 8 Sep. 20 I 4; H. Liu leg.; IZAS • 1 ♂, 2 ♀♀; same collection data as for preceding; 9 Sep. 2014; H. B. Liang leg.; IZAS • 1 ♂; Zayü, Cawarong; 7500 m E of Jumuchang Inn; 28.5574 º N, 98.2288 º E; 3060 m a. s. l.; 10 Sep. 2014; H. Liu leg.; IZAS • 1 ♀; Zayü, Cawarong, Longpu, Tangtuila Ya kou; 28.5424 º N, 98.4587 º E; 3392 m a. s. l.; 15 Sep. 20 I 4; H. B. Liang leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1DFDE6F8D9FD24FD46.taxon	description	Descriptive notes Body length (both sexes): 7.2 ‒ 10.6 mm; width: 1.5 ‒ 2.5 mm. Male (Fig. 1 F) AEDEAGUS (Fig. 6 A ‒ C). Strongly swollen dorsally at basal part, moderately reduced apically in diameter; basal piece slightly shorter than dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, moderately long and slightly narrowed apically, bent dorsally in lateral view; dorsal plate obviously longer than ventral process, evenly narrowed apically, apex rounded, outer margins folded ventrally; apical parts of laterophyses compressed and next to each other, apex acute and directed laterally, distinctly exceeding emargination between dorsal plates. Female ABDOMINAL STERNITE VIII (Fig. 3 E). Obliquely narrowed posteriorly and slightly sinuate, lateroapical angles obtusely triangular, posterior margin deeply and triangularly emarginate in middle and widely truncate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8 A). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a long duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.29 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder moderately thin, nearly as long as spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1DFDE6F8D9FD24FD46.taxon	distribution	Distribution China (Shaanxi, Gansu, Henan, Hubei, Sichuan, Xizang). New records for Shaanxi, Gansu, Henan, Hubei, Xizang.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C418F1DFDE6F8D9FD24FD46.taxon	discussion	Remarks The female reproductive system and dorsal and lateral views of the aedeagus for this species are described and illustrated for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C478F1FFD8BFD15FD27FDF2.taxon	description	Figs 3 F, 5 A, 8 B	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C478F1FFD8BFD15FD27FDF2.taxon	materials_examined	Material examined Holotype CHINA • ♂; [p] “ China-Sichuan // 5 ‒ 9 July 1995 // Kangding env., 2400 ‒ 2800 m // Zd. Jindra lgt. ”, “ HOLOTYPUS // Stenothemus / jindrai sp. n. // V. Švihla det. 2003 ”; NMPC. Additional material CHINA ‒ Sichuan • 1 ♀; N Jiulong, Qinggang Forest; 3045 m a. s. l.; 8 ‒ 14 Jul. 2001; X. D. Yu and H. Z. Zhou leg.; IZAS • 1 ♂, 1 ♀; Southwest Jiulong; 3320 m a. s. l.; 10 ‒ 13 Jul. 2001; X. D. Yu and H. Z. Zhou leg.; IZAS • 1 ♀; Southwest Jiulong; 3675 m a. s. l.; 10 ‒ 13 Jul. 2001; X. D. Yu and H. Z. Zhou leg.; IZAS • 1 ♂; Kangding, Huangjiagou; 2900 m; 4 Aug. 2004; Y. Zhang leg.; IZAS • 6 ♀♀; same collection data as for preceding; M. Bai leg.; IZAS • 1 ♀; Kangding, Moxi, Hailuogou; 3000 m a. s. l.; 8 Aug. 2004; X. Wan leg.; IZAS • 1 ♂; Liziping, Menghuo, Pusagang Protection Station; 2481 m a. s. l.; 26 Jul. 2016; L. M. Li leg.; MHBU. ‒ Yunnan • 1 ♂; Weixi, Pantian’ge; 2920 m a. s. l.; 18 Jul. 1981; S. B. Liao leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C478F1FFD8BFD15FD27FDF2.taxon	description	Descriptive notes Body length (both sexes): 7.5 ‒ 10.0 mm; width: 1.4 ‒ 2.0 mm. Female ABDOMINAL STERNITE VIII (Fig. 3 F). Moderately narrowed posteriorly, lateroapical angles widely triangular, posterior margin shallowly and roundly emarginate in middle and feebly emarginate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8 B). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.32 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and slightly longer than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder moderately thin, slightly shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C478F1FFD8BFD15FD27FDF2.taxon	distribution	Distribution China (Sichuan, Yunnan).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C478F1FFD8BFD15FD27FDF2.taxon	discussion	Remarks The species was originally described from the male type, and subsequently Švihla (2011) described the female and illustrated abdominal sternite VIII. In the present study, the female reproductive system is described and illustrated for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F1FFD90FDE1FDBDFC78.taxon	distribution	Distribution China (Gansu).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F1FFD90FDE1FDBDFC78.taxon	discussion	Remarks The type was not located in MNHN, but it was simply noted by Wittmer (1974) that the type is a female, with the body small and brown.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F01FE34FC7BFAFBF92C.taxon	description	Figs 5 B, 6 D ‒ F, 7 A, 8 C	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F01FE34FC7BFAFBF92C.taxon	materials_examined	Material examined Holotype CHINA • ♂; [h] “ Chine // Kansu ”, “ Ongles // simples ”, “ Cantharis // minutissima // n. sp. ”, [p] “ HOLOTYPE ”, [h-p] “ genre? // det. W. Wittmer ”, “ Stenothemus // minutissimus (Pic) // det. Y. X. Yang, 2009 ”; MNHN. Additional material CHINA ‒ Sichuan • 1 ♀; Maerkang-Daoping; 3230 m a. s. l.; 8 Jul. 1961; G. F. Li leg.; IZAS • 2 ♂♂; same collection data as for preceding; 22 Jul. 1961; G. F. Li leg.; IZAS • 13 ♂♂, 11 ♀♀; Sigu’niang Shan, Changpinggou; 3300 ‒ 3400 m a. s. l.; 31 Jul. 2004; H. J. Xue leg.; IZAS.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F01FE34FC7BFAFBF92C.taxon	description	Redescription Body length (both sexes): 5.0 ‒ 6.3 mm; width: 1.0 ‒ 1.4 mm. Male (Fig. 5 B) COLORATION. Body black, mouthparts and pronotum yellow, pronotum with an irregularly darkened marking on central disc, elytra brown. Body sparsely covered with short, semi-recumbent yellow pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes moderately protruding, head width across eyes 1.4 times as wide as pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, extending to ⅔ length of elytra, antennomeres II about 1.8 times as long as wide at apices, III about 1.6 times as long as II, IV ‒ XI each with a small and smooth longitudinal impression in middle of outer edge, VII longest, XI slightly longer than X, pointed at apex. PRONOTUM. Subquadrate, about 1.1 times as long as wide, anterior margin nearly straight, anterior angles obtuse, widely truncate, lateral margins narrowed posteriorly, and slightly sinuate, posterior margin slightly sinuate, posterior angles obtuse, slightly protruding, disc distinctly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.6 times as long as humeral width, 4.6 times longer than pronotum, surface finely and densely punctate, present with hardly visible longitudinal costae. AEDEAGUS (Fig. 6 D ‒ F). Strongly swollen laterally at basal part, apically reduced in diameter; basal piece slightly shorter than dorsal plate of each paramere, with a moderately large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, short and distinctly thickened apically; dorsal plates of parameres conjoined, with a rounded emargination in the middle of the apical margin, distinctly longer than the ventral process, apex rounded, with a pair of protuberances on inner surface; apical part of laterophyses depressed and separated from each other, apex acute, not reaching middle emargination between dorsal plates. Female Similar to male, but body stouter, eyes small, less protruding, head width across eyes 1.2 times as wide as pronotum, antennae shorter and extending to elytral mid-length, IV ‒ XI without impressions; elytra about 3.0 times as long as humeral width. ABDOMINAL STERNITE VIII (Fig. 7 A). Moderately narrowed posteriorly, lateroapical angles obtusely triangular and protruding, posterior margin shallowly and triangularly emarginate in middle and slightly sinuate on both sides; behind the notch with a membrane, which is sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8 C). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.41 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and slightly longer than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin and slightly shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F01FE34FC7BFAFBF92C.taxon	distribution	Distribution China (Gansu, Sichuan). New record for Sichuan Province.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C458F01FE34FC7BFAFBF92C.taxon	discussion	Remarks Having examined the type, and some additional specimens available, we redescribe this little-known species. Based on the structure of the aedeagus and all simple claws, it should be placed in Stenothemus.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5B8F02FD8AF930FB7FFA49.taxon	description	Figs 5 C, 7 B, 8 D	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5B8F02FD8AF930FB7FFA49.taxon	materials_examined	Material examined Holotype CHINA • ♂; [p] “ China: Sichuan 28.6 ‒ // Jiulonggou env. 2.7. // Z. Jindra lgt., 1995 ”, “ HOLOTYPUS // Stenothemus // tryznai sp. n. // V. Švihla det. 2003 ”; NMPC. Additional material CHINA ‒ Sichuan • 1 ♂, 1 ♀; Emei Shan, Jiulaodong; 1800 ‒ 1900 m a. s. l.; 28 Jul. 1957; K. R. Huang leg.; IZAS • 2 ♂♂, 1 ♀; same collection data as for preceding; Y. C. Lu leg.; IZAS • 3 ♀♀; same collection data as for preceding; 27 Jul. 1957; K. R. Huang leg.; IZAS • 1 ♀; same collection data as for preceding; 22 Jul. 1957; K. R. Huang leg.; IZAS • 2 ♂♂, 1 ♀; same collection data as for preceding; 6 Jul. 1957; F. X. Zhu leg.; IZAS • 1 ♀; same collection data as for preceding; 2 Aug. 1957; Y. C. Lu leg.; IZAS • 1 ♀; Emei Shan, Qingyin’ge; 800 ‒ 1000 m a. s. l.; 13 Jun. 1957; Y. C. Lu leg.; IZAS • 1 ♂; Baoxing, Kyaʼgyu Shan; 2400 m a. s. l.; 30 Jul. 2016; L. M. Li leg.; MHBU.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5B8F02FD8AF930FB7FFA49.taxon	description	Descriptive notes Body length (both sexes): 8.0 ‒ 11.5 mm; width: 2.0 ‒ 2.7 mm. Female ABDOMINAL STERNITE VIII (Fig. 7 B). Strongly narrowed posteriorly, lateroapical angles widely triangular, posterior margin shallowly and roundly emarginate in middle and feebly emarginate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8 D). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.32 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a slightly long tube, at opening of accessory gland. Accessory gland thin and much longer than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5B8F02FD8AF930FB7FFA49.taxon	distribution	Distribution China (Sichuan).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5B8F02FD8AF930FB7FFA49.taxon	discussion	Remarks The female reproductive system of this species is illustrated and described for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C588F05FE32FA2CFA99F994.taxon	description	Figs 5 D ‒ E, 7 C, 12 A	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C588F05FE32FA2CFA99F994.taxon	materials_examined	Material examined Holotype of Podabrinus singularicollis CHINA • ♀; [p] “ Kina // S. Kansu ”, “ Sven Hedins // Exp. Ctr. Asien // Dr Hummel ”, [h] “ Podabrinus // singularicollis // n. sp. ”, [p] “ HOLOTYUS ”, [h-p] “ Stenothemus // singularicollis (Pic) // det. Y. X. Yang, 2009 ”; NHMH. Holotype of Stenothemus melleus CHINA • ♂; [p] “ China: Sichuan Prov. // Quingchenghou mts. 1500 m // 70 km W Chengdu, 15. ‒ 22. x. // S. Murzin lgt. 2004 ”, [p] “ HOLOTYUS // Stenothemus // melleus sp. nov. // V. Švihla det. 2005 ”; NMPC. Additional material CHINA ‒ Gansu • 1 ♂; Tianshui, Naiji, Guanyin; 12 Sep. 2020; J. Li leg.; MHBU. ‒ Shaanxi • 1 ♂; “ China, Shaan Xi, Qin Ling Mountain, Hou Zhen Zi, 33.8463 ° N, 107.8333 ° E, 1350 m, 26 Aug. 2013, Ruan leg. ”; IZAS • 2 ♂♂, 1 ♀; Hanzhong, Mianxian, Miaoping; 7 Oct. 2020; J. Li leg.; MHBU • 8 ♂♂, 1 ♀; Hanzhong, Lueyang, Wulongdong; 11 Oct. 2020; J. Li leg.; MHBU • 1 ♀; Hanzhong, Liuba, Huoshaodian; 4 Oct. 2020; J. Li leg.; MHBU.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C588F05FE32FA2CFA99F994.taxon	description	Descriptive notes Body length (both sexes): 8.5 ‒ 12.0 mm; width: 1.8 ‒ 2.5 mm. Female ABDOMINAL STERNITE VIII (Fig. 7 C). Moderately narrowed posteriorly, lateroapical angles obtusely rounded, posterior margin widely and roundly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 12 A). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum extremely long, about 0.58 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a short tube, where accessory gland opens. Accessory gland thin in basal part, and the remainder moderately thin, much shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C588F05FE32FA2CFA99F994.taxon	distribution	Distribution China (Gansu, Sichuan, Shaanxi). New record for Shaanxi Province.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C588F05FE32FA2CFA99F994.taxon	discussion	Remarks Having examined the holotypes of Podabrinus singularicollis (Fig. 5 D) and Stenothemus melleus (Fig. 5 E), as well as a large series of additional specimens available, we are unable to find differences justifying their separation, which has led us to consider all the examined specimens to be conspecific. Therefore, we suggest the latter species should be synonymized with the former, which should be called S. singularicollis according to the structure of the aedeagus and simple claws. Additionally, the female reproductive system and abdominal sternite VIII of this species are described for the first time.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	description	urn: lsid: zoobank. org: act: FC 569 AB 0 - 1536 - 4 CFF- 8 A 47 - AB 758 A 67 F 21 D Figs 6 G ‒ I, 7 D, 9 A, 12 B	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	diagnosis	Differential diagnosis This new species is most similar to S. limbatipennis (Pic, 1926), but can be distinguished by the following characters: antennomeres IV ‒ XI each with a small oval impression in middle of outer edge in male (with longitudinal impressions in S. limbatipennis); pronotum about 1.3 times as long as wide (while nearly as long as wide in S. limbatipennis); aedeagus: ventral process of each paramere moderately bent ventrally in lateral view, middle emargination between dorsal plates longer than half its length, laterophyses clearly exceeding middle emargination (while ventral process strongly bent ventrally, middle emargination between dorsal plates shorter, apex of laterophyses just reaching in S. limbatipennis, see Yang et al. 2021: figs 3 g ‒ i); abdominal sternite VIII: lateroapical angles triangular and protruding, posterior margin rectangularly emarginate in middle, membrane strongly sclerotized and triangularly bilobed at apex (lateroapical angles widely rounded, middle emargination rounded, membrane weakly sclerotized and tapered at apex in S. limbatipennis, see Yang et al. 2021: fig. 8 c); female internal organ of reproductive system: diverticulum obviously longer than spermatheca (while shorter in S. limbatipennis, see Yang et al. 2021: fig. 6 c).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	etymology	Etymology The specific name is derived from the Latin ‘ gracilis ’ (‘ slender’), referring to its slender body.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	materials_examined	Material examined Holotype CHINA • ♂; Hubei, Shennongjia, Dongxi; 31 º 34 ′ 15 ′′ N, 110 º 08 ′ 47 ′′ E; 819 m a. s. l.; 7 ‒ 10 Jul. 2014; Y. B. Ba and S. Y. Tang leg.; MHBU HBU (E) 410022. Paratypes CHINA ‒ Gansu • 2 ♂♂; Wenxian, Liujiaping; 2100 m a. s. l.; 27 Jun. 1998; X. K. Yang leg.; IZAS IOZ (E) 225790, 225791. ‒ Guizhou • 1 ♂; Daozhen, Yangxi, Shadang; 31 May 2004; Y. Yu leg.; MHBU HBU (E) 410027. ‒ Hubei • 1 ♂; Shennongjia, Dongxi; 31 º 34 ′ 15 ′′ N, 110 º 08 ′ 47 ′′ E; 819 m a. s. l.; 7 ‒ 10 Jul. 2014; Y. B. Ba and S. Y. Tang leg.; MHBU HBU (E) 410023 • 1 ♂, 1 ♀; Shennongjia, Pingqian; 31 º 28 ′ 08.0 ′′ N, 110 º 02 ′ 23.4 ′′ E; 1576 m a. s. l.; 4 ‒ 7 Jul. 2014; Y. B. Ba and S. Y. Tang leg.; MHBU HBU (E) 410024, 410025 • 1 ♂; Shennongjia, Wenshui Forest Farm; 12 Jul. 2018; P. Wang leg.; MHBU HBU (E) 410026 • 1 ♂; Shennongjia, Songluo; 900 m a. s. l.; 14 Jun. 1981; Y. H. Han leg.; IZAS IOZ (E) 225781. ‒ Sichuan • 1 ♂; Wushan, Liziping; 1870 m a. s. l.; 2 Jul. 1993; W. Z. Li leg.; IZAS IOZ (E) 225782 • 2 ♂♂; same collection data as for preceding; 3 Jul. 1993; W. Z. Li leg.; IZAS IOZ (E) 225783, 225784 • 2 ♂♂, 1 ♀; same collection data as for preceding; R. Z. Huang leg.; IZAS IOZ (E) 225785 to 225787 • 2 ♂♂; same collection data as for preceding; 4 Jul. 1993; R. Z. Huang leg.; IZAS IOZ (E) 225788, 225789.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	description	Description Body length (both sexes): 5.0 ‒ 7.2 mm (5.8 mm in holotype); width: 0.5 ‒ 1.0 mm (0.7 mm in holotype). Male (Fig. 9 A) COLORATION. Body brown, clypeus, mouthparts, posterior margins of abdominal ventrites lightly yellow. Body densely covered with short, semi-erected pale pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes strongly protruding, head width across eyes 1.6 times wider than pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, extending to ¾ length of elytra, antennomeres II about twice times as long as wide at apices, III about 1.8 times longer than II, IV ‒ XI each with a small and smooth oval impression in middle of outer edge, VII longest, XI slightly longer than X, pointed at apex. PRONOTUM. Subquadrate, about 1.3 times as long as wide, anterior margin slightly arcuate, anterior angles obtuse, sub-rectangular, lateral margins nearly parallel and slightly sinuate, posterior margin slightly arcuate and narrowly bordered, posterior angles sub-rectangular, disc distinctly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.8 times as long as humeral width, 4.9 times longer than pronotum, surface finely and densely punctate, with hardly visible longitudinal costae present. AEDEAGUS (Fig. 6 G ‒ I). Moderately swollen laterally in basal part, reduced apically in diameter; basal piece nearly as long as dorsal plate of each paramere, with a small, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres approaching each other, short and slightly thickened apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, strongly narrowed near base, approaching each other, apex acute and directed ventrally; apical parts of laterophyses depressed and separated from each other, apex rounded and bent dorsally, clearly exceeding middle emargination between dorsal plates. Female Similar to male, but body stouter than male, eyes small, less protruding, head width across eyes 1.2 times wider than pronotum, antennae shorter and roughly extending to elytral mid-length, IV ‒ XI without smooth oval impressions; pronotum wider, nearly as long as wide; elytra about 3.3 times as long as humeral width. ABDOMINAL STERNITE VIII (Fig. 7 D). Strongly narrowed posteriorly, lateroapical angles triangular and protruding, posterior margin widely and rectangularly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex, with a rectangular sclerite present at center and a small longitudinal sclerite on each side. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 12 B). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum extremely long, about 0.86 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much shorter than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder thick, obviously shorter than spermatheca. Variation within species Head sometimes with yellow markings behind eyes, pronotum more or less lightened on posterolateral parts, elytra sometimes yellow at humeri and bases of outer margins.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5F8F06FE2CF947FD25FA4A.taxon	distribution	Distribution China (Hubei, Sichuan, Gansu, Guizhou).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	description	urn: lsid: zoobank. org: act: 814 D 21 FE- 8 EE 1 - 49 F 5 - ACFD-CC 3 E 5398 B 8 A 1 Figs 9 B, 10 A ‒ C	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	diagnosis	Differential diagnosis Similar to S. laticornis Y. Yang & H. Liu sp. nov., but differs in the following characters: male antennomeres IV ‒ XI cylindrically thickened and each with a small and smooth longitudinal impression in middle of outer edge (while flattened and with oval impressions in S. laticornis sp. nov.); aedeagus: ventral process of each paramere slightly narrowed apically, bent ventrally in lateral view, apices of laterophyses not reaching middle emargination between dorsal plates (while ventral process distinctly thickened and bent dorsally in the S. laticornis sp. nov., and laterophyses exceeding middle emargination in S. laticornis sp. nov. (Fig. 11 A ‒ C )).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	etymology	Etymology The specific name is derived from the name of the type locality, Chongqing, China.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	materials_examined	Material examined Holotype CHINA • ♂; Chongqing, Jiangjin; 21 May 2001; H. L. Wang leg.; MHBU HBU (E) 410028.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	description	Description Body length: ♂ 8.3 mm; width: 2.2 mm. Male (Fig. 9 B) COLORATION. Body brown, head, elytra black, with an orange marking at vertex, pronotum and scutellum testaceous, pronotum more or less lightened at anterior angles, prosternum, coxae and bases of inner margins of femora yellow. Body densely covered with short, semi-recumbent pale pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes large, strongly protruding, head width across eyes 1.4 times as wide as pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, almost reaching apices of elytra, antennomeres II about 1.5 times as long as wide at apices, III about 2.3 times longer than II, IV ‒ XI cylindrically thickened and each with a small and smooth longitudinal impression in middle of outer edge, IV widest, V to XI gradually narrowing towards apex, XI slightly longer than X, pointed at apex. PRONOTUM. Subquadrate, about 1.2 times as long as wide, anterior margin arcuate, anterior angles obtuse, sub-rectangular, lateral margins slightly sinuate, posterior margin slightly sinuate and narrowly bordered, posterior angles sub-rectangular, disc strongly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.5 times as long as humeral width, 4.4 times longer than pronotum, surface finely and densely punctate, with hardly visible longitudinal costae. AEDEAGUS (Fig. 10 A ‒ C). Moderately swollen laterally at basal part, strongly reduced in diameter apically; basal piece nearly as long as dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes parameres approaching each other, short and slightly narrowed apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, strongly narrowed near base, approaching each other, apex acute and directed ventrally; apical parts of laterophyses depressed and separated from each other, apex acute and not reaching middle emargination between dorsal plates. Female Unknown.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C5C8F09FE14FA11FE25F96B.taxon	distribution	Distribution China (Chongqing).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	description	urn: lsid: zoobank. org: act: D 0040599 - E 6 AA- 4 A 07 - ACC 5 - EC 916 A 4 E 9 D 9 E Figs 7 E, 9 C, 10 D ‒ F, 12 C	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	diagnosis	Differential diagnosis It resembles S. limbatipennis, but can be distinguished by the following characters: tibiae black (orange in S. limbatipennis); aedeagus: basal piece with a large middle nodule at base of ventral side, lateroapical part of dorsal plate with a longitudinal ridge, apical parts of laterophyses narrowly separated from each other, clearly exceeding middle emargination between dorsal plates (while middle nodule small, dorsal plate not ridged at lateroapical part, apical parts of laterophyses widely separated and just reaching middle emargination in S. limbatipennis, see Yang et al. 2021: figs 3 g ‒ i); female abdominal sternite VIII: posterior margin rectangularly emarginate in middle, membrane behind the middle emargination triangularly bilobed at apex (while roundly emarginate in middle, membrane behind the middle emargination tapered at apex in S. limbatipennis, see Yang et al. 2021: fig. 8 c); female reproductive system: diverticulum and spermatheca extremely long (relatively short in S. limbatipennis, see Yang et al. 2021: fig. 6 c).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	etymology	Etymology The specific name is derived from the Latin ‘ flavus ’ (‘ yellow’) and ‘ collum ’ (‘ neck’), referring to its yellow pronotum.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	materials_examined	Material examined Holotype CHINA • ♂; Hubei, Yichang, Dalaoling Forestry Farm; 3 May 2015; T. F. Qiu leg.; MHBU HBU (E) 410029. Paratypes CHINA ‒ Hubei • 8 ♂♂, 5 ♀♀; same collection data as for holotype; MHBU HBU (E) 410030 to 410042 • 1 ♂, 1 ♀; Yichang, Dalaoling Forestry Farm; 4 May 2015; T. F. Qiu leg.; MHBU HBU (E) 410043, 410044.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	description	Description Body length (both sexes): 6.5 ‒ 9.7 mm (7.2 mm in holotype); width: 1.0 ‒ 2.0 mm (1.7 mm in holotype). Male (Fig. 9 C) COLORATION. Body black, clypeus, mouthparts, antennomeres I, prothorax, coxae and femora and posterior margins of abdominal ventrites yellow. Body densely covered with short, semi-recumbent yellow pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes moderately protruding, head width across eyes 1.5 times wider than pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, roughly extending to ⅔ length of elytra, antennomeres II about 2.2 times as long as wide at apices, III about 1.6 times longer than II, IV ‒ XI each with a smooth longitudinal impression in middle of outer edge, VII longest, XI distinctly longer than X, XI slightly thickened, pointed at apex. PRONOTUM. Subquadrate, about 1.1 times as long as wide, anterior margin arcuate, anterior angles subrounded, lateral margins nearly parallel and slightly sinuate, posterior margin slightly sinuate and narrowly bordered, posterior angles sub-rectangular, disc strongly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.8 times as long as humeral width, 4.8 times longer than pronotum, surface finely and densely punctate, with hardly visible longitudinal costae. AEDEAGUS (Fig. 10 D ‒ F). Moderately swollen laterally at basal part, reduced apically in diameter; basal piece nearly as long as dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres approaching each other, short and slightly thickened apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, abruptly narrowed near base and approaching each other, apex acute and directed ventrally, lateroapical part with a ridge; apical parts of laterophyses depressed and separated from each other, apex acute and clearly exceeding middle emargination between dorsal plates. Female Similar to male, but body stouter than male, eyes small, less protruding, head width across eyes 1.3 times wider than pronotum, antennae shorter and roughly extending to elytral mid-length, IV ‒ XI without smooth longitudinal impressions; elytra about 3.4 times as long as humeral width. ABDOMINAL STERNITE VIII (Fig. 7 E). Moderately narrowed posteriorly, lateroapical angles widely rounded, posterior margin widely and rectangularly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 12 C). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum extremely long, about 0.99 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and remainder moderately thin, obviously shorter than spermatheca. Variation within species Sometimes posterior margin of pronotum arcuate.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C538F0AFE22F90BFEE0FAD5.taxon	distribution	Distribution China (Hubei).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	description	urn: lsid: zoobank. org: act: 3 BA 9 E 362 - 3 F 39 - 4413 - B 04 B-FF 1 CB 6549998 Figs 9 D, 10 G ‒ I	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	diagnosis	Differential diagnosis Resembles S. jindrai (Fig. 5 A), but differs in the following characters: pronotum and elytra uniformly light yellow, while pronotum dark brown, lightened at anterior angles, elytra honey yellow, sienna at humeri and outer part in S. jindrai; aedeagus: apex of dorsal plate slightly narrowed, middle emargination between dorsal plates moderately deep, nearly as long as half its length, apical parts of laterophyses reaching middle emargination between dorsal plates, while dorsal plate strongly narrowed, middle emargination much longer than half length, laterophyses clearly exceeding middle emargination in S. jindrai (Švihla 2004: figs 155 ‒ 156).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	etymology	Etymology The specific name is derived from the Latin ‘ mimus ’ (‘ imitate’), and the name of the similar species S. jindrai.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	materials_examined	Material examined Holotype CHINA • ♂; Sichuan, Emei Shan, Xixiangchi; 1800 ‒ 2000 m a. s. l.; 11 ‒ 12 May 1957; F. X. Zhu leg.; IZAS IOZ (E) 1389239.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	description	Description Body length: ♂ 6.6 mm; width: 1.5 mm. Male (Fig. 9 D) COLORATION. Body light yellow, head, mouthparts, antennae and tarsi light brown. Body densely covered with short, semi-recumbent yellow pubescence. HEAD. Subquadrate, surface sparsely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes strongly protruding, head width across eyes 1.5 times wider than pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, extending ¾ of the length of elytra, antennomeres II about 1.7 times as long as wide at apices, III about 1.9 times longer than II, IV longest, XI slightly longer than X, pointed at apex. PRONOTUM. Subrounded, about 0.9 times as long as wide, anterior margin nearly straight, anterior angles roundly truncate, lateral margins slightly sinuate, posterior margin nearly straight and narrowly bordered, posterior angles sharp, protruding, disc distinctly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.7 times as long as humeral width, 6.1 times as long as pronotum, surface finely and densely punctate, with hardly visible longitudinal costae. AEDEAGUS (Figs 10 G ‒ I). Weakly swollen dorsally in basal part, reduced basally in diameter; basal piece slightly shorter than dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres approaching each other, long and slightly narrowed apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, evenly narrowed apically, apex slightly acute and bent ventrally, outer margins of dorsal plates folded ventrally; apical parts of laterophyses depressed and next to each other in middle, apex acute, reaching middle emargination between dorsal plates. Female Unknown.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C508F0DFE08FA87FE09F9D9.taxon	distribution	Distribution China (Sichuan).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	description	urn: lsid: zoobank. org: act: C 54780 B 5 - A 2 AF- 4 FC 8 - B 8 A 7 - 6 AE 3 D 067 D 8 DF Figs 7 F, 9 E, 11 A ‒ C, 12 D	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	diagnosis	Differential diagnosis It appears to resemble S. hajeki Švihla, 2011 (from China: N Yunnan), but differs in the following characters: apices of femora yellow, while uniformly black in S. hajeki; antennae almost reaching apices of elytra, while clearly exceeding them in S. hajeki (Švihla 2011: fig. 19); aedeagus: ventral processes of parameres strongly approaching each other, distinctly thickened apically and bent dorsally, while in S. hajeki (Švihla 2011: figs 93 ‒ 95) the slightly approach each other, and are slightly thickened and bent ventrally.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	etymology	Etymology The specific name is derived from the Latin ‘ latus ’ (‘ wide’) and ‘ cornus ’ (‘ horn’), referring to its flattened and widened antennae.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	materials_examined	Material examined Holotype CHINA • ♂; Chongqing, Chengkou, Zuolan, Qixin; 32.180 º N, 108.485 º E; 1070 m a. s. l.; 9 Jul. 2017; Y. Zhou leg.; MHBU HBU (E) 410045. Paratypes CHINA ‒ Chongqing • 1 ♂; Chengkou, Dong’an, Shengjiaping; 31.791 º N, 109.241 º E; 1819 m a. s. l.; 16 Jun. 2017; Y. Zhou leg.; MHBU HBU (E) 410046 • 1 ♀; Chengkou, Xianyi, Mingyue; 1184 m a. s. l.; 24 Jun. 2017; Y. Zhou leg.; MHBU HBU (E) 410047.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	description	Description Body length (both sexes): 7.2 ‒ 8.0 mm (7.2 mm in holotype); width: 1.5 ‒ 1.8 mm (1.7 mm in holotype). Male (Fig. 9 E) COLORATION. Body black, clypeus, mouthparts and bases of femora light yellow, pronotum testaceous, lightened at anterior angles. Body densely covered with short, semi-recumbent pale pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes strongly protruding, head width across eyes 1.5 times wider than pronotum; terminal maxillary palpomeres long-triangular, widest at basal ⅔; antennae filiform, almost reaching apices of elytra, antennomeres II about 1.1 times as long as wide at apices, III about 2.9 times longer than II, IV ‒ XI flattened and each with a small and smooth oval impression in middle of outer edge, IV widest, V to XI gradually narrowing towards apex, XI slightly longer than X, pointed at apex. PRONOTUM. Subquadrate, about 1.1 times as long as wide, anterior margin arcuate, anterior angles obtuse, subrounded, lateral margins slightly sinuate, posterior margin slightly sinuate and narrowly bordered, posterior angles sub-rectangular, disc strongly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.6 times as long as humeral width, 4.6 times as long as than pronotum, surface finely and densely punctate, with hardly visible longitudinal costae. AEDEAGUS (Fig. 11 A ‒ C). Moderately swollen laterally at basal part, strongly reduced in diameter apically; basal piece nearly as long as dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres strongly approaching each other, short and distinctly thickened apically, bent dorsally in lateral view; dorsal plates slightly longer than ventral processes, strongly narrowed near base, approaching each other, apex acute; apical parts of laterophyses depressed and separated from each other, apex wide-triangular and weakly exceeding middle emargination between dorsal plates. Female Similar to male, but body stouter than male, eyes small, less protruding, head width across eyes 1.4 times wider than pronotum, antennae shorter and roughly extending to elytral mid-length, IV ‒ XI without impressions; elytra about 3.2 times as long as humeral width. ABDOMINAL STERNITE VIII (Fig. 7 F). Moderately narrowed posteriorly, lateroapical angles widely rounded, posterior margin widely and roundly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 12 D). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum moderately long, about 0.58 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct moderately long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder moderately thin, obviously shorter than spermatheca.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C578F0EFE29F99DFE25FA5A.taxon	distribution	Distribution China (Chongqing).	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
03C7082F3C548F30FF67FA1BFADCFD4B.taxon	discussion	Note Stenothemus kansuensis Pic, 1933 is not included in the key because the type was not located by us.	en	Yang, Yuxia, Ge, Shujuan, Yang, Xingke, Liu, Haoyu (2021): Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species. European Journal of Taxonomy 757 (1): 1-36, DOI: https://doi.org/10.5852/ejt.2021.757.1409, URL: http://dx.doi.org/10.5852/ejt.2021.757.1409
