taxonID	type	description	language	source
FE6184F225AF5A83BAA148045EA04B1C.taxon	description	Figs 1, 2	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
FE6184F225AF5A83BAA148045EA04B1C.taxon	materials_examined	Material examined. China • 1 ♂, holotype Yunnan Province, Menghai District, Mengbang Reservoir; 21 ° 54 ' 50 " N, 100 ° 17 ' 36 " E; 1272 m; 6 Jun. 2019; Z. Kang leg.; QAU • 1 ♂, paratype same collection data as for preceding; QAU.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
FE6184F225AF5A83BAA148045EA04B1C.taxon	diagnosis	Diagnosis. Postnotum dark brown, mediotergite with a cordiform yellow spot; wing marked with two brown bands; apical process of paramere semilunar, apex expanding outward; lateral extension of terminal division of hypandrium triangular with a pair of semicircular lobes medially, terminal division of hypandrium umbelliform.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
FE6184F225AF5A83BAA148045EA04B1C.taxon	description	Description. Male. Body length 7.5 - 8.0 mm, wing length 7.0 - 7.5 mm. Vertex and frons brown; face and clypeus yellow with light brown hairs; gena yellow with a black elliptical spot medially, hairs on gena brown; occiput yellow. Compound eyes black without pubescence. Scape, pedicel and basal 2 / 3 of 1 st flagellomere yellow, remaining flagellomeres brown, setae dark brown. Proboscis light yellow with light brown hairs. Palpus yellow with last segment gradually darked apically, hairs brown. Thorax (Fig. 1 a, b). Pronotum and propleuron light yellow. Prescutum, scutum and paratergite uniformly black. Scutellum mostly dark brown, middle area yellow with a patch of dense brown hairs. Mediotergite of postnotum dark brown, middle area with a cordiform yellow spot. Laterotergite half brown, outer half yellow with dense dark brown hairs, in dorsal view. Mesopleuron and metapleuron uniformly yellow. Coxae and trochanters yellow; femora yellow with brown ring apically; tibiae yellow with brown ring apically; 1 st tarsomere of fore and hind legs yellow brown with brown ring apically. Hairs on legs brown. Wing (Fig. 1 c) 3.7 times as long as wide, subhyaline, marked with two brown bands as follows: median band extending from basa of Rs to middle section of CuA 2; subapical band extending from tip of R 1, covering pterostigma and extending to tip of M 2. Veins brown; Sc ending in C at level of basal 1 / 3 of R 2 + 3; Rs straight, slightly shorter than r-m; r-m arise from R 4 + 5. Halter and prehaltere pale yellow with brown hairs. Abdomen (Fig. 1 a). First tergum yellow with caudal 1 / 5 light brown, 2 nd tergum yellow with middle area and caudal 1 / 6 brown, 3 rd and 4 th terga yellow with posterior margin brown, 5 th tergum yellow with caudal 1 / 2 brown, 6 th and 7 th terga brown with posterior margin yellow. Sterna yellow. Hairs on abdomen brown. Male genitalia (Fig. 2) yellow. Epandrium (Fig. 2 b) bilobed, epandrial lobe broad, epandrial clasper tapering and curved ventrally to the middle, slender apically, with brown hairs; epiproct with short hairs. Gonocoxite (Fig. 2 c) long and stout, 3.3 times as long as wide, basal apodeme small; apical process of paramere semilunar, apex expanding outward. Gonostylus (Fig. 2 c): anterior lobe of basal lobe of gonostylus on inner side with dense long hairs; medial lobe of basal lobe of gonostylus tongue-shaped with dense short hairs on posterior margin; secondary lobe of apical stylus of gonostylus finger-shaped with dense short hairs; apical stylus of gonostylus finger-shaped with short hairs. Hypandrium (Fig. 2 d): basal scale of hypandrium dumbbell-shaped basally with several hairs; spathate lobe of hypandrium broad at base with dense long hairs on inner side, hook-shaped apically with short hairs on posterior margin; basal division of hypandrium finger-shaped with dense long hairs on inner side; lateral extension of terminal division of hypandrium triangular with a pair of semicircular lobes medially; terminal division of hypandrium umbelliform. Aedeagus (Fig. 2 e, f): subapical sclerite tongue-shaped, apex of subapical sclerite round; aedeagal sclerites with apex laterally compressed, with dorsal corner extended anterodorsally, straight sided and convergent, base broad; lateral ejaculatory processes with base straight, narrow, extended straight anterolaterally; discoid apodemes with elongate ovoid dorsal extension; sperm sac subspherical; ejaculatory apodeme flag-like, closely associated with aedeagal sclerites, larger than sperm sac, paralleling anterior margin of sperm sac. Female. Unknown.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
FE6184F225AF5A83BAA148045EA04B1C.taxon	distribution	Distribution. China (Yunnan).	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
FE6184F225AF5A83BAA148045EA04B1C.taxon	etymology	Etymology. Specific name from Latin, Ptychoptera cordata (adjective, feminine, meaning " cordate "), referring to the postnotum with a cordiform spot.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	description	Figs 3, 4	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	materials_examined	Material examined. China • 1 ♂, holotype of P. yunnanica; Yunnan Province, Binchuan District, Mt. Jizu; 25 ° 56 ' 38 " N, 100 ° 23 ' 58 " E; 1875 m; 1 Jun. 2019; Z. Kang leg.; QAU • 1 ♀, paratype of P. yunnanica; same collection data as for preceding; QAU • 1 ♀, paratype of P. yunnanica; Yunnan Province, Panlong District, Yunnan Agricultural University; 25 ° 8 ' 4 " N, 102 ° 45 ' 2 " E; 1953 m; 28 Apr. - 3 Jun. 2016.; L. Wang leg.; Malaise trap; CAU • 1 ♀, paratype of P. yunnanica; Yunnan Province, Panlong District, Yunnan Agricultural University; 25 ° 8 ' 9 " N, 102 ° 45 ' 8 " E; 1958 m; 28 Apr. - 3 Jun. 2016; L. Wang leg.; Malaise trap; CAU • 1 ♂, paratype of P. yunnanica; Yunnan Province, Panlong District, Yunnan Agricultural University; 25 ° 8 ' 22 " N, 102 ° 45 ' 14 " E; 1965 m; 28 Sep. - 24 Nov. 2016; L. Wang leg.; Malaise trap; CAU.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	diagnosis	Diagnosis. Postnotum dark brown, mediotergite with a big yellow spot; wing marked with three weak brown clouds at tip of R 1, fork of R 4 + 5 and fork of M 1 + 2 and a brown band extending from basal of R 2 + 3 to middle section of CuA; subapical spine of epandrium transverse conical; basal scale of hypandrium rectangular, anterior margin strongly concaved medially, basal division of hypandrium finger-shaped with dense long hairs basally and medially; terminal division of hypandrium cordiform.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	description	Description. Male. Body length 6.5 - 8.0 mm, wing length 7 - 7.5 mm. Vertex and frons dark brown with brown hairs; face and clypeus yellow with light brown hairs; gena yellow with a black elliptical spot medially, hairs dark brown; occiput yellow. Compound eyes black without pubescence. Scape, pedicel and basal 1 / 2 of 1 st flagellomere yellow, remaining flagellomeres brown, setae on antenna dark brown. Proboscis light yellow with brown hairs. Palpus yellow with terminal of last segment brown, hairs brown. Thorax (Fig. 3 a, b). Pronotum and propleuron light yellow. Prescutum, scutum and paratergite uniformly black. Scutellum mostly brown, middle area yellow with a patch of dense dark brown hairs. Mediotergite of postnotum dark brown, middle area with a big yellow spot. Upper half of laterotergite dark brown, lower half of laterotergite yellow, with brown hairs, in dorsal view. Mesopleuron and metapleuron uniformly yellow. Coxae and trochanters yellow; fore femur yellow and gradually darkened apically; mid and hind femora yellow with brown ring apically; tibiae yellowish brown with brown ring apically; 1 st tarsomere of fore and mid legs brown, 1 st tarsomere of hind leg yellow with a narrow dark brown ring apically, other tarsomeres dark brown. Hairs on legs dark brown. Relative length of 1 st to 5 th tarsomeres in hind leg as 7: 2: 1.2: 1: 1. Wing (Fig. 3 c) 3.8 times as long as wide, subhyaline, marked with three brown clouds and a brown band as follows: three weak brown clouds at tip of R 1, fork of R 4 + 5 and fork of M 1 + 2; median band extending from basa of Rs to middle section of CuA 2. Veins brown; Sc ending in C not at level of basal 1 / 3 of R 2 + 3; Rs straight, slightly longer than r-m; r-m arise from R 4 + 5. Halter and prehaltere pale yellow with brown hairs. Abdomen (Fig. 3 a). First tergum dark brown with basal 1 / 5 yellow, 2 nd tergum yellow with middle area and caudal 1 / 6 dark brown, 3 rd tergum yellow with caudal 1 / 5 dark brown, 4 th tergum yellow with caudal 1 / 4 dark brown, 5 th to 7 th terga dark brown. Sterna yellow. Hairs on abdomen brown. Male genitalia (Fig. 4) yellow. Epandrium (Fig. 4 b) bilobed, epandrial lobe broad, epandrial clasper tapering distally and curved downward, slightly swollen apically; subapical spine of epandrium transverse conical, with brown hairs; epiproct with short hairs. Gonocoxite (Fig. 4 c) short and slender, 2 times as long as wide, basal apodeme 3 / 4 as long as gonocoxite; apical process of paramere hook-shaped, apex incurvated. Gonostylus (Fig. 4 c): anterior lobe of basal lobe of gonostylus bilobate without hairs; medial lobe of basal lobe of gonostylus finger-shaped on middle of inner side with short hairs; secondary lobe of apical stylus of gonostylus fan-shaped basally without hairs, finger-shaped apically with dense short setae; apical stylus of gonostylus finger-shaped with dense short hairs. Hypandrium (Fig. 4 d): basal scale of hypandrium rectangular, anterior margin strongly concaved medially; spathate lobe of hypandrium papillary without hairs; basal division of hypandrium finger-shaped with dense long hairs basally and medially; lateral extension of terminal division thin; terminal division of hypandrium cordiform. Aedeagus (Fig. 4 e, f): subapical sclerite tongue-shaped, slightly caved bilaterally, apex of subapical sclerite round; aedeagal sclerites with apex laterally compressed, with dorsal corner extended anterodorsally, straight sided and convergent, base broad; lateral ejaculatory processes with base straight, narrow, extended straight anterolaterally; apodemes with elongate quadrangular dorsal extension; sperm sac subspherical; ejaculatory apodeme flag-like, closely associated with aedeagal sclerites, subequal to sperm sac, paralleling anterior margin of sperm sac. Female. Body length 8.5 - 9.0 mm, wing length 9.0 - 9.5 mm. Similar to male. Third tergum yellow with caudal 1 / 3 brown, 4 th and 5 th terga brown, 6 th tergum brown with caudal 1 / 3 yellow, 7 th and 8 th terga yellow. Terminalia (Fig. 3 d): 8 th sternum yellow, 2.8 times as long as 7 th sternum; cercus yellow with brown end, blade-shaped, 10 th tergum + cercus 1.8 times as long as 8 th sternum.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	distribution	Distribution. China (Yunnan).	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
A1A65B4A59D45EFAA487A9DC372B6F94.taxon	etymology	Etymology. Specific name Ptychoptera yunnanica (adjective, feminine) referring to the type locality, Yunnan.	en	Zhang, Xiao, Kang, Zehui (2021): Two new species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Yunnan, China with remarks on the distribution of Chinese species. ZooKeys 1070: 73-86, DOI: http://dx.doi.org/10.3897/zookeys.1070.58859, URL: http://dx.doi.org/10.3897/zookeys.1070.58859
