taxonID	type	description	language	source
470B641CA04A52719E65C3C530657B5E.taxon	description	Figs 3, 11, 18	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
470B641CA04A52719E65C3C530657B5E.taxon	materials_examined	Material examined. China: 1 ♀, 30. vii. 2014, 3 ♂, 2 - 3. viii. 2014, Yunnan, Dali, Mt. Weibao, 2205 m, KJ Teng et al. leg., slide nos. YS 19428 ♂, YS 19435 ♀.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
470B641CA04A52719E65C3C530657B5E.taxon	diagnosis	Diagnosis. This species is diagnostic in the male genitalia by the juxta incised at middle in a triangle on the posterior margin (Fig. 11). It is similar to O. condensata sp. nov., and the differences between them are stated in the diagnosis of the latter species.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
470B641CA04A52719E65C3C530657B5E.taxon	description	Description. Wingspan 13.5 - 15.0 mm (Fig. 3). Female genitalia (Fig. 18). Eighth abdominal sternite obtuse on posterior margin. Apophyses posteriores twice length of apophyses anteriores. Antrum cup-shaped, wrinkled, membranous except sclerotized along posterior margin forming a band. Ductus bursae subelliptical, slightly wider than corpus bursae, partly wrinkled anteriorly; ductus seminalis broad basally, slender distally. Corpus bursae elliptical; signa placed medially, consisting of five teeth in a longitudinal row and a small rounded, denticulate plate.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
470B641CA04A52719E65C3C530657B5E.taxon	distribution	Distribution. China (Sichuan, Yunnan) (Gozmany 1978; Wu 1996).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
5521E36CBDC859F886FD4886148E320D.taxon	description	Figs 4, 12, 19	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
5521E36CBDC859F886FD4886148E320D.taxon	diagnosis	Diagnosis. The male genitalia of the new species is similar to that of the type species, O. callirrhabda (Meyrick, 1936). It can be distinguished by the forewing having two black patches, CuA 1 stalked with CuA 2, and ductus seminalis having dense granules; in O. callirrhabda, the forewing has no black patches, CuA 1 and CuA 2 are separate, and the ductus seminalis has no granules.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
5521E36CBDC859F886FD4886148E320D.taxon	description	Description. Wingspan 13.0 - 15.0 mm (Fig. 4). Head dark brown. Antenna yellowish brown in basal 1 / 4, pale yellow in distal 3 / 4. Labial palpus yellowish brown, paler on inner surface; third palpomere as long as second palpomere. Thorax and tegula dark brown. Forewing dark brown, with two large, elliptical, black patches anteriorly reaching anterior margin of discal cell: first at basal 1 / 4, posteriorly reaching fold; second at middle, posteriorly reaching above dorsum; fringe dark brown; CuA 1 and CuA 2 short-stalked. Hindwing and fringe greyish brown; fringe with an orange white basal line. Male genitalia (Fig. 12). Uncus subcrescent. Gnathos with basal plate bell-shaped, bearing a papillary process at middle on posterior margin; median process wide in basal 1 / 3, narrowed to distal 2 / 5, thereafter slender to pointed apex, curved ventrad at distal 1 / 4 by a right angle. Valva wide in basal 1 / 4, narrowed slightly to cucullus; cucullus about half length of valva, narrowed slightly to obtusely oblique apex, costal margin shallowly concave except convex at base, ventrobasal process subtriangular, with a rounded apex; costal bar narrow, slightly expanded dorsad medially; sacculus a broad band, about 1 / 4 length of ventral margin of valva. Saccus rounded on anterior margin. Juxta broadly concave on posterior margin, denticulate along lateral sides of concavity; with a trapezoidal process at middle on anterior margin; posterior lobe strongly horn-shaped, curved outward at middle; posterolateral lobe short, narrow, extending laterally. Aedeagus nearly as long as valva, slightly widened medially, dorsal denticles larger than cornuti; cornuti consisting of 1 - 3 conic spines. Female genitalia (Fig. 19). Eighth abdominal sternite convex on posterior margin. Apophyses posteriores twice the length of apophyses anteriores. Antrum subrectangular, wrinkled, membranous except sclerotized along posterior margin forming a band. Ductus bursae narrowed posteriorly, widened distinctly toward corpus bursae, with diffused granules near base of ductus seminalis; ductus seminalis broad, with dense granules on inner wall. Corpus bursae large, elliptical; with two signa: one elliptical, with dense denticles, the other plate-shaped, bearing 3 - 6 teeth (Fig. 19 a, b).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
5521E36CBDC859F886FD4886148E320D.taxon	distribution	Distribution. China (Chongqing, Henan, Hubei, Jiangxi, Shaanxi, Yunnan, Zhejiang).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
5521E36CBDC859F886FD4886148E320D.taxon	etymology	Etymology. The specific epithet is derived from the Latin condensatus, referring to the dense granules in the ductus seminalis.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
8C62980C7DE75AE09E4AAA5D50DB1174.taxon	description	Figs 5, 13	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
8C62980C7DE75AE09E4AAA5D50DB1174.taxon	materials_examined	Material examined. China: 1 ♂, Hubei, Xianfeng, Mahexiang, 400 m, 24. vii. 1999, HH Li et al. leg., slide No. LSR 11174; 3 ♂, Chongqing, Mt. Jinfo, 1100 m, 6 - 7. viii. 2012, XF Yang & TT Liu leg.; 2 ♂, Chongqing, Mt. simian, 1280 m, 11 - 12. viii. 2012, XF Yang & TT Liu leg.; 9 ♂, Guizhou, Mayanghe, 430 m, 5 - 10. vi. 2007, XC Du leg., slide Nos. LSR 11239, LSR 11240, LSR 14013; 1 ♂, 28. ix. 2007, 1 ♂, 1. x. 2007, Guizhou, Mayanghe, 700 m, H Zhen leg.; 3 ♂, Guizhou, Xishui County, 500 m, 24, 26. ix. 2000, HL Yu leg.; 2 ♂, Guizhou, Xishui County, 500 m, 31. v. 2000, YL Du leg., slide No. ZMR 09041; 1 ♂, Guizhou, Chishui, Suoluo, 240 m, 23. ix. 2000, HL Yu leg.; 1 ♂, Guizhou, Chishui, Suoluo, 390 m, 27. v. 2000, YL Du leg.; 3 ♂, Yunnan, Malipo County, Xiajinchang, 1470 m, 26, 29. vii. 2016, KJ Teng, GE Lee & T Wang leg., slide No. YS 19423; 11 ♂, Yunnan, Daozhen County, Xiannvdong, 600 m, 17 - 18. viii. 2004, YL Xiao leg., slide No. LSR 13339.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
8C62980C7DE75AE09E4AAA5D50DB1174.taxon	diagnosis	Diagnosis. This species is similar to O. kerastiodes Park, 2021 both in appearance and male genitalia. It can be distinguished by the third palpomere of the labial palpus with hair-pencils, the heart-shaped uncus and the needle-like posterior lobes of the juxta (Fig. 13); in O. kerastiodes, the third palpomere of the labial palpus is smooth, the uncus is subrectangular, and the posterior lobes of the juxta are horn-shaped.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
8C62980C7DE75AE09E4AAA5D50DB1174.taxon	description	Description. Wingspan 11.0 - 13.5 mm (Fig. 5).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
8C62980C7DE75AE09E4AAA5D50DB1174.taxon	distribution	Distribution. China (Chongqing, Guizhou, Hubei, Sichuan, Yunnan).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
F4A4661ACD665D6BAF6FABEF49C203C8.taxon	description	Figs 6, 20	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
F4A4661ACD665D6BAF6FABEF49C203C8.taxon	materials_examined	Material examined. China: 1 ♀, Guizhou, Mt. Fanjing, 1700 m, 1. vi. 2002, XP Wang leg., slide No. LSR 11247.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
F4A4661ACD665D6BAF6FABEF49C203C8.taxon	diagnosis	Diagnosis. This species can be distinguished from its congeners by the pale yellowish brown forewing, the juxta without posterior lobes in the male genitalia (Wu and Liu 1992: 681, fig. 2148), and the corpus bursae with a single signum in the female genitalia (Fig. 20).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
F4A4661ACD665D6BAF6FABEF49C203C8.taxon	description	Description. Wingspan 16.0 mm (Fig. 6).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
F4A4661ACD665D6BAF6FABEF49C203C8.taxon	distribution	Distribution. China (Guizhou, Hunan).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
2E501308798458C8B6D26BC207EA17FF.taxon	description	Generic characters. Antenna as long as or slightly longer than forewing. Labial palpus with second palpomere thickened, third palpomere slender. Forewing narrowly elongate, usually dark brown with black patches; R 1, R 2 and R 3 free, R 4 and R 5 stalked, M 1, M 2 and M 3 separate, CuA 1 and CuA 2 short-stalked (Fig. 1) or separate (Fig. 2). Hindwing trapezoidal; M 2 present, M 3 and CuA 1 coincident. All abdominal tergites with zones of spiniform setae. Male genitalia. Cucullus narrowed, usually with a ventrobasal process. Juxta with horn-shaped or needle-like posterior lobes extending dorsad and smaller posterolateral lobes extending laterally. Aedeagus with two dorsal denticles; cornuti spiniform or needle-like. Female genitalia. Antrum sclerotized along posterior margin forming a band. Signa of corpus bursae usually consisting of several teeth and a denticulate plate.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
2E501308798458C8B6D26BC207EA17FF.taxon	diagnosis	Diagnosis. The genus is close to the monotypic genus, Monerista Meyrick, 1925. It can be distinguished by the trapezoidal hindwing without streak; whereas in Monerista, the lanceolate hindwing has a thinly scaled submedian streak (Clarke 1965: 183, fig. 1)	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
2E501308798458C8B6D26BC207EA17FF.taxon	distribution	Distribution. China (Gozmany 1978; Wu and Liu 1992; Wu 1996), Thailand (Park and Kim 2021).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
00D29BBCE8CC59EF92B49AA9E1BDFEA6.taxon	description	Figs 7, 14, 21	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
00D29BBCE8CC59EF92B49AA9E1BDFEA6.taxon	diagnosis	Diagnosis. The male genitalia of the new species is similar to that of O. introflexa sp. nov. It can be distinguished by the forewing having CuA 1 and CuA 2 separate and the horn-shaped ventrobasal process of the cucullus; in O. introflexa sp. nov., the forewing has veins CuA 1 and CuA 2 stalked and the ventrobasal process of the cucullus is broadly rounded, thumb shaped.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
00D29BBCE8CC59EF92B49AA9E1BDFEA6.taxon	description	Description. Wingspan 12.0 - 13.5 mm (Fig. 7). Head dark brown. Antenna with scape yellowish brown, flagellum pale brownish yellow. Labial palpus pale brownish yellow, third palpomere as long as second palpomere. Thorax and tegula dark brown. Forewing dark brown, with two black patches: one at basal 1 / 4, elliptical, the other at middle, shape ill-defined; fringe yellowish brown; CuA 1 and CuA 2 separate. Hindwing and fringe pale brownish yellow except yellowish brown around apical area. Male genitalia (Fig. 14). Uncus wide, shallowly concave on posterior margin, obtuse on anterior margin; caudal lobe papillary. Gnathos with basal plate obtuse on posterior margin; median process wide at base, narrowed to distal 1 / 3 where it curves, distal 1 / 3 spine-shaped. Valva wide basally, narrowed distinctly to cucullus; cucullus about half length of valva, parallel-sided in basal half, widened slightly to obtuse apex, costal margin shallowly concave except gently produced at base; ventrobasal process horn-shaped, curved, longer than basal width of cucullus; costal bar narrow, slightly expanded dorsad medially; sacculus wide, about 1 / 4 length of ventral margin of valva. Saccus obtuse on anterior margin. Juxta subquadrate, broadly concave on posterior margin, obtusely produced at middle on anterior margin; posterior lobe large, horn-shaped, nearly as long as juxta; posterolateral lobe short, spiniform, extending posterolaterally. Aedeagus slightly shorter than valva, slightly widened medially, with two dorsal denticles; cornuti consisting of six large, needle-like spines running from basal 1 / 3 to 2 / 3. Female genitalia (Fig. 21). Eighth abdominal sternite obtusely rounded on posterior margin. Apophyses posteriores about 1.5 times length of apophyses anteriores. Antrum funnel-shaped, wrinkled, membranous except sclerotized along posterior margin forming a band. Ductus bursae narrowed posteriorly, widened toward corpus bursae; ductus seminalis broad, roundly sac-like and bearing dense spinules basally. Corpus bursae ovate; signa consisting of six small teeth in a longitudinal row and a rounded, densely denticulate plate.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
00D29BBCE8CC59EF92B49AA9E1BDFEA6.taxon	distribution	Distribution. China (Yunnan).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
00D29BBCE8CC59EF92B49AA9E1BDFEA6.taxon	etymology	Etymology. The specific name is derived from the Latin hybocentrus, referring to the curved ventrobasal process of the cucullus.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
03FAC9FDDB8151AD8D39EFC8483B45BD.taxon	description	Figs 8, 15, 22	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
03FAC9FDDB8151AD8D39EFC8483B45BD.taxon	diagnosis	Diagnosis. The new species is unique among other species in the genus by having a triangular process at the base of the posterior lobe of the juxta at the inner margin. It is similar to O. hybocentra sp. nov., and the differences between them are stated in the diagnosis of the latter species.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
03FAC9FDDB8151AD8D39EFC8483B45BD.taxon	description	Description. Wingspan 13.0 - 13.5 mm (Fig. 8). Head dark brown. Antenna with scape brownish yellow; flagellum orange yellow. Labial palpus orange yellow except dark brown ventrally on third palpomere; third palpomere as long as second palpomere. Thorax and tegula dark brown. Forewing dark brown, with two, narrow black patches, one at the basal 1 / 4 and one in the middle, distal 1 / 3 with diffused black scales; fringe dark brown; CuA 1 and CuA 2 short-stalked. Hindwing and fringe brown. Male genitalia (Fig. 15). Uncus subcrescent, broad V-shaped on posterior margin. Gnathos with median process slightly broad in basal 1 / 3, thereafter slendered to pointed apex, curved ventrad at distal 1 / 3 by a right angle. Valva wide in basal 1 / 4, narrowed distinctly to cucullus; cucullus about half length of valva, almost tubular, apex obtuse, costal margin shallowly concave, ventrobasal process thumbed; costal bar narrow, expanded dorsad medially; sacculus wide in basal half, slender in distal half, reaching cucullus. Saccus obtuse on anterior margin. Juxta subquadrate, broadly concave on posterior margin, densely denticulate along lateral sides of concavity; anterior margin obtusely produced at middle; posterior lobe large horn-shaped, longer than juxta, curved inward, triangularly produced at base on inner margin; posterolateral lobe small, spiniform. Aedeagus shorter than valva, slightly widened medially, with two tiny dorsal denticles; cornuti consisting of more than ten large, needle-like spines running from basal 1 / 4 to 3 / 4. Female genitalia (Fig. 22). Eighth abdominal sternite obtuse on posterior margin, with a sclerotized sac at anterolateral corner. Apophyses posteriores about twice length of apophyses anteriores. Antrum membranous except sclerotized along posterior margin forming a band, with two symmetrically sclerotized, leaf-like sclerites medially. Ductus bursae wrinkled, narrowed posteriorly, widened toward corpus bursae, with numerous conic spinules in anterior 3 / 5; ductus seminalis broad, arising from ductus bursae anteriorly, with sparse thorns on inner wall. Corpus bursae elliptical; signa consisting of several teeth of varied size in a longitudinal row placed posteriorly and a densely denticulate plate placed at middle.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
03FAC9FDDB8151AD8D39EFC8483B45BD.taxon	distribution	Distribution. China (Yunnan).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
03FAC9FDDB8151AD8D39EFC8483B45BD.taxon	etymology	Etymology. The specific epithet is derived from the Latin introflexus, referring to the medially curving posterior lobes of the juxta.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
DFC770F4EFE052348B935767060D0635.taxon	description	Figs 9, 16	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
DFC770F4EFE052348B935767060D0635.taxon	materials_examined	Material examined. China: 1 ♂, 31. vii. 2019, 2 ♂, 2. viii. 2019, Yunnan, Menghai County, Damanlu Village, 1128 m, KJ Teng et al. leg., slide No. YS 19048.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
DFC770F4EFE052348B935767060D0635.taxon	description	Description. Wingspan 12.5 - 13.0 mm (Fig. 9).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
DFC770F4EFE052348B935767060D0635.taxon	diagnosis	Diagnosis. This species is distinct among other species by having a clavate valva (Fig. 16). It is similar to O. ecblasta Wu, 1996, and the differences between them are stated in the diagnosis of the latter species.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
DFC770F4EFE052348B935767060D0635.taxon	distribution	Distribution. China (Yunnan, new record), Thailand (Park and Kim 2021).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
41D1C1756B8E5A7698DA60F9326EE69C.taxon	description	Figs 10, 17	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
41D1C1756B8E5A7698DA60F9326EE69C.taxon	diagnosis	Diagnosis. The new species can be distinguished from its congeners by the ventrobasally serrate cucullus and the apices of the posterior lobes of the juxta extending beyond the middle of the tegumen.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
41D1C1756B8E5A7698DA60F9326EE69C.taxon	description	Description. Wingspan 13.0 - 14.0 mm (Fig. 10). Head dark brown. Antenna orange yellow, paler distally. Labial palpus orange yellow except third palpomere dark brown ventrally; third palpomere as long as second palpomere. Thorax and tegula dark brown. Forewing dark brown, with diffused black scales distally; with two ill-defined black patches at basal 1 / 4 and middle respectively; fringe dark brown; CuA 1 and CuA 2 short-stalked. Hindwing and fringe brown; fringe with an orange white basal line. Male genitalia (Fig. 17). Uncus subrectangular, semicircularly concave on posterior margin; caudal lobe seimiovate. Gnathos with median process wide at base, narrowed to middle, slendered from middle to pointed apex, curved ventrad at distal 1 / 4 by a right angle. Valva wide at base, narrowed slightly to cucullus; cucullus about half length of valva, narrowed to obtusely rounded apex, costal margin expanded dorsad basally, ventral margin serrate ventrobasally and gently concave at middle; costal bar narrow, slightly arched, triangularly produced at middle on dorsal margin; sacculus narrow basally, widened distally, about 1 / 4 length of ventral margin of valva. Saccus rounded on anterior margin. Juxta deeply concave in V-shape on posterior margin, with a papillary process at middle on anterior margin; posterior lobe large horn-shaped, extending beyond middle of tegumen apically; posterolateral lobe small, narrowly banded, extending posterolaterally. Aedeagus nearly as long as valva, slightly widened medially, with two dorsal denticles; cornuti consisting of three large needle-like spines. Female unknown.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
41D1C1756B8E5A7698DA60F9326EE69C.taxon	distribution	Distribution. China (Yunnan).	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
41D1C1756B8E5A7698DA60F9326EE69C.taxon	etymology	Etymology. The specific name is derived from the Latin longissimus, referring to the long posterior lobe of the juxta.	en	Yu, Shuai, Wang, Shuxia (2023): Opacoptera Gozmany (Lepidoptera, Lecithoceridae) from China, with descriptions of four new species. ZooKeys 1158: 133-146, DOI: http://dx.doi.org/10.3897/zookeys.1158.100396, URL: http://dx.doi.org/10.3897/zookeys.1158.100396
