Leucophenga zebrina Huang & Chen, 2018

Huang, Jia, Wang, Yalian, O’Grady, Patrick Michael, Su, Yirui & Chen, Hongwei, 2018, The genus Leucophenga (Diptera, Drosophilidae), part VIII: twenty-one species from the Oriental region, with morphological and molecular evidence, Zootaxa 4503 (1), pp. 1-70 : 60-63

Leucophenga zebrina Huang & Chen , sp. nov.

( Figs. 4F , 8P–R , 12E , 16K, 16L , 37 )

Diagnosis. This species is most similar to L. setipalpis in having the mesonotum mostly brownish yellow ( Figs. 5H , 8Q ), the pleura with a brown, longitudinal stripe above ( Figs. 5I , 8R ), the wing slightly brownish along the tip of R 2+3 and dm-cu crossvein ( Figs. 2C , 4F ), and the shape and pubescence of epandrium, cercus, and surstylus ( Figs. 19A , 37A ), but can be distinguished from the latter by the colour patterns of abdominal tergites ( Fig. 12E ); paramere ventrally lacking projection ( Fig. 37C ); aedeagus basolaterally with a small process, and laterally with a long process at half its height; the long process bearing 1 sensillum at tip ( Fig. 37D ).

Description. Ocellar triangle dark brown, with ca. 1 or 2 seta(e) above ocellar setae. Frons brownish yellow to brownish ( Fig. 8P ). Pedicel brownish yellow; first flagellomere yellow to dark yellow ( Fig. 8P ). Clypeus entirely brownish yellow. Palpus brownish ( Fig. 8P ). Postpronotal lobe yellow ( Fig. 8R ). Acrostichal setulae in ca. 14–16 irregular rows ( Fig. 8Q ). Scutellum brownish yellow, brownish laterally, dark yellow at tip ( Fig. 8Q ). Katepisternum and mesopleuron mostly yellowish to yellow ( Fig. 8R ). Wing ( Fig. 4F ): Costal vein between R 2+3 and R 4+5 distally with ca. 5–7 peg-like spinules on ventral surface; R 4+5 and M 1 slightly divergent distally; halter mostly yellowish, with a dark yellow patch at knob ( Fig. 8R ). Abdominal tergites dark brown, 2nd tergite yellow medially and laterally, 3rd tergite not shortened in males, 3rd and 4th tergites with yellow patches submedially and sublaterally ( Fig. 12E ). Male terminalia: Epandrium lacking pubescence, with ca. 4 setae medially and near posterior margin per side ( Fig. 37A ). Cercus lacking pubescence ( Fig. 37A ). Surstylus pubescent ( Fig. 37A ). Hypandrium with 1 sensillum ( Fig. 37B ). Paramere narrow basally and apically, with ca. 6 sensilla distally ( Fig. 37C ).

Measurements and indices. BL = 3.47 mm in holotype (range in 5♀ paratypes: 3.27–3.53), ThL = 1.73 mm (1.63–1.77), WL = 2.93 mm (2.87–3.00), WW = 1.43 mm (1.30–1.40), arb = 6–7/3–4 (7/3–4), avd = 0.78 (0.71– 0.82), adf = 2.25 (2.00–2.27), flw = 2.06 (1.88–2.20), FW/HW = 0.38 (0.34–0.39), ch/o = 0.03 (0.04–0.05), prorb = 0.069 (0.61–0.69), rcorb = 0.66 (0.53–0.77), vb = 0.39 (0.48–0.50), dcl = 0.57 (0.41–0.48), presctl = 0.60 (0.53– 0.62), sctl = damaged (1.28–1.44), sterno = 0.79 (0.69–0.77), orbito = 1.73 (1.83–2.18), dcp = 0.20 (0.19–0.25), sctlp = 1.12 (1.06–1.26), C = 2.19 (2.00–2.20), 4c = 1.02 (1.04–1.24), 4v = 1.14 (1.18–1.42), 5x = 0.68 (0.72– 0.89), ac = 1.73 (1.82–2.25), M = 0.25 (0.27–0.35), C3F = 0.77 (0.67–0.75).

Type specimens. Holotype ♂ ( SCAU, No. 128616), CHINA: Guanlei, Mengla , Yunnan, 21°38'N, 101°10'E, alt. 562m, 20.iv.2016, ex tree trunk, J Huang . Paratypes: CHINA: 4♀ ( SCAU, Nos 128617–20), same data as holotype ; 1♀ ( SCAU, No. 128621), Wangtianshu, Mengla , Yunnan, 21°28'N, 101°38'E, alt. 570m, 12.xi.2012, ex tussock, JJ Gao .

Distribution. China (Yunnan).

Etymology. From the Latin word: “ zebrinus ” (= stripe), referring to the pleura with a brown, longitudinal stripe above.

Key to the Leucophenga species groups in the Oriental region and the 21 species described or redescribed in this study

1. M 1 distally abbreviated, not reaching wing margin (as in Su et al. 2013, fig. 3A, D, G, J)............. the abbreviata group

- M 1 distally not abbreviated, reaching wing margin............................................................ 2

2. Palpus brown to black, sexual dimorphism conspicuously in size (as in Zhou & Chen 2015, fig. 2A, B), large in females (as in Zhou & Chen 2015, fig. 2B).............................................................. the mutabilis group

- Palpus brownish or lighter, sexual dimorphism inconspicuously in size (e.g., as in Huang & Chen 2016, fig. 4B, D), slender in female (e.g., as in Huang & Chen 2016, fig. 4B).............................................................. 3

3. Mesonotum with dense silvery pollinosity in males........................................................... 4

- Mesonotum lacking dense silvery pollinosity in males........................................................ 6

4. Body large, mostly 3–4 mm in length; pleura with brown to black patches from ketepisternum to subscutellum (as in Huang et al. in prep.); aedeagus pubescent or hairy distoventrally (as in Huang et al. in prep.).................. the maculata group

- Body small, mostly 2–3 mm in length; pleura unicolorous (e.g., as in Huang & Chen 2016, fig. 3B, J; as in Huang et al. 2017, fig. 5B, H) or with a brownish to dark brown, longitudinal stripe above (e.g., as in Huang et al. 2017, figs. 3J, 5J); aedeagus lacking pubescence or hair (e.g., as in Huang & Chen 2016, figs. 6E, 7D; as in Huang et al. 2017, figs. 10E, 11D)......... 5

5. Orb 3 and Orb 2 parallel (as in Huang & Chen 2016, fig. 6A); wing entirely hyaline but brown on R 1 medially (as in Huang & Chen 2016, fig. 2); halter with a distinct black patch at knob (as in Huang & Chen 2016, figs. 3, 4)...... the argentata group

- Orb 3 located in front of Orb 2, separated by distance less than 1/3 of that between Orb 2 and Orb 1 (as in Huang et al. 2017, fig. 10A); wing fuscous along R 1 (as in Huang et al. 2017, fig. 2); halter usually lacking distinct patch at knob (as in Huang et al. 2017, figs. 3–6)..................................................................... the subpollinosa group

6. Wing usually with distinct patch(es) (e.g., as in Huang et al. 2013a, fig. 2A, D, G, J, M; as in Huang et al. 2013b, figs. 2, 3); abdominal 3rd tergite not shortened in males (e.g., as in Huang et al. 2013a, fig. 3; as in Huang et al. 2013b, figs. 8, 9)..... 7

- Wing usually more or less clouded ( Figs. 2B, 2C, 2F, 2G , 3A, 3C, 3D, 3F, 3G , 4B–F ), or entirely hyaline ( Figs. 2A, 2D, 2E , 3B, 3E, 3H , 4A ); abdominal 3rd tergite shortened ( Figs. 9A, 9B, 9G, 9I, 9L , 10A, 10D, 10G, 10I, 10K , 11D, 11F, 11H , 12B ) or not ( Figs. 9D, 9E, 9F, 9K , 10C, 10F , 11A, 11B, 11G, 11J–L , 12A ) in males..................................................................................................... the 21 species described or redescribed in this study ... 8

7. Wing with broad, dark longitudinal stripe along anterodistal portion (as in Huang et al. 2013a, fig. 2A, D, G, J, M); paramere with distinct wrinkles (as in Huang et al. 2013a, figs. 4D, 5C, 6C, 7C, 8C); aedeagus basolaterally with sclerotized processes (as in Huang et al. 2013a, figs. 4E, 5D, 6D, 7D, 8D).......................................... the interrupta group

- Wing lacking longitudinal stripe along anterodistal portion (as in Huang et al. 2013b, figs. 2, 3; as in Huang et al. 2014, figs. 2–4); paramere lacking distinct wrinkles (e.g., as in Huang et al. 2013b, figs. 14D, 15C; as in Huang et al. 2014, figs. 18C, 19C); aedeagus lacking process (e.g., as in Huang et al. 2013b, figs. 14E, 15D; as in Huang et al. 2014, figs. 18D, 19D)............................................................................................ the ornata group

8. Orb 2 much shorter than Orb 3 ( Fig. 5J ); wing lacking peg-like spinule on ventral surface of costal vein ( Fig. 2D ); abdominal tergites (especially 3rd to 5th ones) prolonged ( Fig. 9F )..................................... L. sorii (the sorii group)

- Orb 2 usually longer than Orb 3 ( Figs. 5A, 5D, 5G, 5M , 6–8A, D, G, J, M, 8P ); wing with several peg-like spinules on ventral surface of costal vein ( Figs. 2A–C, 2E–H , 3 , 4 ); abdominal 3rd tergite shortened or normal in males, other tergites normal in both male and female ( Figs. 9A–E, 9G–L , 10–12 )....................................the 20 unplaced species in this study ..................... .. .. ......................... .. .. .......... ................................... 9

9. Abdominal 3rd tergite shortened and with fewer setae in males ( Figs. 9A, 9B, 9G, 9I, 9L , 10A, 10D, 10G, 10I, 10K , 11D, 11F, 11H , 12B )........................................................................................... 10

- Abdominal 3rd tergite not shortened and entirely setigerous in males ( Figs. 9D, 9E, 9K , 10C, 10F , 11A, 11B, 11G, 11J–L , 12A, 12E )............................................................................................... 22

10. Postocellar seta absent, with a long seta above ocellar setae ( Fig. 8D ); Orb 3 located behind Orb 2 ( Fig. 8D ); wing pointed apically ( Fig. 4B )......................................................................... L. oxyptera sp. nov.

- Postocellar setae present, lacking long seta above ocellar setae ( Figs. 5A, 5D, 5M , 6A, 6G, 6M , 7D, 7G, 7J , 8A, 8J, 8M ); Orb 3 located in front of Orb 2 ( Figs. 5M , 6A, 6M , 7D, 7G, 7J , 8A ), or Orb 3 and Orb 2 parallel ( Figs. 5A, 5D , 6G , 8J, 8M ); wing rounded apically ( Figs. 2A, 2B, 2E, 2F , 3A, 3C, 3E, 3F, 3G , 4A, 4D, 4E )......................................... 11

11. Wing entirely hyaline ( Figs. 2A, 2E , 3E , 4A )............................................................... 12

- Wing more or less clouded ( Figs. 2B, 2F , 3A, 3C, 3F, 3G , 4D, 4E )............................................... 15

12. Mesonotum and scutellum mostly dark yellow ( Fig. 5B ); pleura lacking stripe above ( Fig. 5C ); surstylus curved and narrow caudally, with only a few setae along distal margin ( Fig. 17A ).......................................... L. jacobsoni

- Mesonotum and scutellum mostly brownish yellow ( Figs. 5N , 7E , 8B ); pleura with a brown to dark brown, longitudinal stripe above ( Figs. 5O , 7F , 8C ); surstylus rounded caudally, with some setae on outer surface ( Figs. 21A , 28A , 32A )........... 13

13. Abdominal 5th tergite entirely dark brown ( Fig. 9G, H ); epandrium and cercus lacking pubescence ( Fig. 21A ); aedeagus laterally mostly covered by its process ( Fig. 21D )....................................................... L. spinifera

- Abdominal 5th tergite with yellow patches submedially and sublaterally ( Figs. 10G, 10H , 11D, 11E ); epandrium and cercus mostly pubescent ( Figs. 28A , 32A ); aedeagus laterally less covered by its process ( Figs. 28D , 32D )................... 14

14. Scutellum dark brown laterally ( Fig. 7E ); aedeagus apically rounded, laterally with a distally narrow, apically acute process, which bearing a sensillum at tip ( Fig. 28D )................................................. L. forcipula sp. nov.

- Scutellum brownish yellow laterally ( Fig. 8B ); aedeagus apically rectangular, ventrolaterally with a distally slightly expanded, apicodorsally acute process, which lacking sensillum at tip ( Fig. 32D )........................... L. hyaloptera sp. nov.

15. Surstylus acute caudally ( Figs. 35A , 36A ).................................................................. 16

- Surstylus rounded caudally ( Figs. 18A , 22A , 24A , 26A , 29A , 30A )............................................. 17

16. Scutellum dark brown posteriorly and laterally, yellow at tip ( Fig. 8K ); pleura with brown patches from ketepisternum to anatergite ( Fig. 8L ); wing brownish along R 1, the tip of R 2+3 and dm-cu crossvein ( Fig. 4D ); R 4+5 and M 1 nearly parallel distally ( Fig. 4D ); abdominal 5th tergite with yellow patches submedially and sublaterally ( Fig. 11H, I ); epandrium, cercus, and surstylus mostly pubescent ( Fig. 35A ); paramere nearly triangular, lacking sensillum ( Fig. 35C ); aedeagus distally with numerous irregular, serrated processes, laterally with a short, apically expanded process ( Fig. 35D )........... L. serrateiceps sp. nov.

- Scutellum mostly brownish yellow ( Fig. 8N ); pleura lacking patch or stripe above ( Fig. 8O ); wing mostly clouded ( Fig. 4E ); R 4+5 and M 1 slightly convergent distally ( Fig. 4E ); abdominal 5th tergite entirely dark brown to black ( Figs. 11J–L , 12A, C, D ); epandrium, cercus, and surstylus lacking pubescence ( Fig. 36A ); paramere slender, acute basally and narrow apically, with ca. 7 sensilla distally ( Fig. 36C ); aedeagus slightly curved ventrad, laterally with a long, apically narrow process ( Fig. 36D )......................................................................... L. valvata sp. nov. (“normal” specimens)

17. Orb 3 and Orb 2 parallel ( Figs. 5D , 6G , 7J ); pleura lacking stripe above ( Figs. 5F , 6I , 7L ); epandrium and cercus mostly pubescent ( Figs. 18A , 24A , 30A )............................................................................. 18

- Orb 3 located in front of Orb 2 ( Figs. 6A, 6M , 7G ); pleura with a brownish to dark brown, longitudinal stripe above ( Figs. 6C, 6O , 7I ); epandrium and cercus lacking pubescence ( Figs. 22A , 26A , 29A )........................................ 20

18. Postocellar setae distinct ( Fig. 5D ); scutellum brown to dark brown laterally, yellow at tip ( Fig. 5E ); wing with distinct patterns ( Fig. 2B ); paramere dorsally and distally pubescent, lacking sensillum ( Fig. 18C ); aedeagus medioventrally with a small, pubescent projection, distoventrally with several serrated processes, and laterally lacking process ( Fig. 18D )........................................................................................................ L. kurahashii

- Postocellar setae minute ( Figs. 6G , 7J ); scutellum mostly brownish yellow ( Figs. 6H , 7K ); wing clouded ( Fig. 3A, G ); paramere lacking pubescence, with some sensillum distally ( Figs. 24C , 30C ); aedeagus medioventrally lacking projection, distoventrally lacking serrated process, laterally with at least one long process ( Figs. 24D , 30D )........................ 19

19. R 4+5 and M 1 slightly convergent distally ( Fig. 3A ); abdominal tergites mostly yellow ( Figs. 9L , 10A, B ); aedeagus laterally less covered by its medially expanded process ( Fig. 24D )........................................ L. alafumosa sp. nov.

- R 4+5 and M 1 nearly parallel distally ( Fig. 3G ); abdominal tergites mostly dark brown ( Fig. 10K, L ); aedeagus laterally mostly covered by its bifurcated processes ( Fig. 30D )............................................ L. glabtabulata sp. nov.

20. Paramere nearly quadrate ( Fig. 29C ); aedeagus laterally mostly covered by its distoventrally serrated process ( Fig. 29D )....................................................................................... L. fuscipalpula sp. nov.

- Paramere nearly fusiform ( Figs. 22C , 26C ); aedeagus laterally less covered by its non-serrated process ( Figs. 22D , 26D )..... ................................................................................................... 21

21. Hypandrium with 1 sensillum ( Fig. 22B ); aedeagus apically rounded, laterally with a wave-shaped process ( Fig. 22D )................................................................................................ L. varinervis

- Hypandrium with 2 sensilla ( Fig. 26B ); aedeagus apically hook-shaped, laterally with a distoventrally expanded process ( Fig. 26D )............................................................................. L. brevitabulata sp. nov.

22. Epandrium strongly expanded dorsally ( Fig. 34A ); aedeagus laterally lacking process ( Fig. 34D )....... L. platypyga sp. nov.

- Epandrium not expanded dorsally ( Figs. 19A , 23A , 25A , 27A , 31A , 36A , 37A ); aedeagus laterally with at least one process ( Figs. 19D , 23D , 25D , 27D , 31D , 36D , 37D )............................................................... 23

23. Wing mostly clouded ( Figs. 2G , 3D , 4E )................................................................. 24

- Wing entirely hyaline or slightly brownish ( Figs. 2C , 3B, 3H , 4F )............................................. 26

24. Orb 3 located in front of Orb 2 ( Fig. 6D ); pleura with a brown, longitudinal stripe above ( Fig. 6F ); paramere curved dorsad distally ( Fig. 23C )........................................................................ L. acantha sp. nov.

- Orb 3 and Orb 2 parallel ( Figs. 7A , 8M ); pleura lacking stripe above ( Figs. 7C , 8O ); paramere not curved dorsad distally ( Figs. 27C , 36C )......................................................................................... 25

25. Epandrium with pubescence and setae ( Fig. 27A ); surstylus rounded caudally, mostly pubescent, with some setae distally ( Fig. 27A ); paramere triangular, acute apically ( Fig. 27C ); aedeagus distally not curved ventrad, ventrolaterally with an acute process ( Fig. 27D )........................................................................... L. delta sp. nov.

- Epandrium lacking pubescence and seta ( Fig. 36A ); surstylus acute caudally, lacking pubescence, with setae along caudal margin only ( Fig. 36A ); paramere slender, acute basally ( Fig. 36C ); aedeagus distally slightly curved ventrad, laterally with an apically narrow process ( Fig. 36D )....................................... L. valvata sp. nov. (“shortened” specimens)

26. Postocellar setae minute ( Fig. 6J ); Orb 3 and Orb 2 parallel ( Fig. 6J ); surstylus lacking pubescence ( Fig. 25A ).................................................................................................. L. brevipenis sp. nov.

- Postocellar setae distinct ( Figs. 5G , 7M , 8P ); Orb 3 located in front of Orb 2 ( Figs. 5G , 7M , 8P ); surstylus mostly pubescent ( Figs. 19A , 31A , 37A )..................................................................................... 27

27. Wing entirely hyaline ( Fig. 3H ); pleura with a brownish yellow to brownish, indistinct longitudinal stripe above ( Fig. 7O ); abdominal 5th tergite with yellow patches submedially and sublaterally in males ( Fig. 11A, B ); epandrium and cercus mostly pubescent ( Fig. 31A ); aedeagus laterally with one process ( Fig. 31D )........................... L. helvipecta sp. nov.

- Wing slightly brownish along the tip of R 2+3 and dm-cu crossvein ( Figs. 2C , 4F ); pleura with a brown, longitudinal stripe above ( Figs. 5I , 8R ); abdominal 5th tergite entirely brown to dark brown ( Figs. 9D, 9E , 12E ); epandrium and cercus lacking pubescence ( Figs. 19A , 37A ); aedeagus laterally with two processes ( Figs. 19D , 37D ).................................. 28

28. R 4+5 and M 1 nearly parallel distally ( Fig. 2C ); paramere with a projection anteroventrally ( Fig. 19C ); aedeagus laterally with a process at same its height; the process bearing 2 sensilla at tip ( Fig. 19D )................................. L. setipalpis

- R and M 1 slightly divergent distally ( Fig. 4F ); paramere lacking projection ventrally ( Fig. 37C ); aedeagus laterally with a process at half its height; the process bearing 1 sensillum at tip ( Fig. 37D )........................... L. zebrina sp. nov.

4+5

An additional summary table ( Table 3) for the 21 Leucophenga species described or redescribed in this study is provided here on account of their various morphological differences, thus enabling someone to distinguish them from each other based on the combination of these objective, comparable morphological characters.

Figures

FIGURE 2. Wing of male: A. Leucophenga jacobsoni; B. L. kurahashii; C. L. setipalpis; D. L. sorii; E. L. spinifera; F. L. varinervis; G, H. L. acantha Huang & Chen, sp. nov. Scale bars = 1 mm.

FIGURE 3. Wing of male: A. Leucophenga alafumosa Huang & Chen, sp. nov.; B. L. brevipenis Huang & Chen, sp. nov.; C. L. brevitabulata Huang & Chen, sp. nov.; D. L. delta Huang & Chen, sp. nov.; E. L. forcipula Huang & Chen, sp. nov.; F. L. fuscipalpula Huang & Chen, sp. nov.; G. L. glabtabulata Huang & Chen, sp. nov.; H. L. helvipecta Huang & Chen, sp. nov. Scale bars = 1 mm.

FIGURE 4. Wing of male: A. Leucophenga hyaloptera Huang & Chen, sp. nov.; B. L. oxyptera Huang & Chen, sp. nov.; C. L. platypyga Huang & Chen, sp. nov.; D. L. serrateiceps Huang & Chen, sp. nov.; E. L. valvata Huang & Chen, sp. nov.; F. L. zebrina Huang & Chen, sp. nov. Scale bars = 1 mm.

FIGURE 5. Lateral view of head, dorsal and lateral views of thorax in males: A, B, C. Leucophenga jacobsoni; D, E, F. L. kurahashii; G, H, I. L. setipalpis; J, K, L. L. sorii; M, N, O. L. spinifera.

FIGURE 6. Lateral view of head, dorsal and lateral views of thorax in males: A, B, C. Leucophenga varinervis; D, E, F. L. acantha Huang & Chen, sp. nov.; G, H, I. L. alafumosa Huang & Chen, sp. nov.; J, K, L. L. brevipenis Huang & Chen, sp. nov.; M, N, O. L. brevitabulata Huang & Chen, sp. nov.

FIGURE 7. Lateral view of head, dorsal and lateral views of thorax in males: A, B, C. Leucophenga delta Huang & Chen, sp. nov.; D, E, F. L. forcipula Huang & Chen, sp. nov.; G, H, I. L. fuscipalpula Huang & Chen, sp. nov.; J, K, L. L. glabtabulata Huang & Chen, sp. nov.; M, N, O. L. helvipecta Huang & Chen, sp. nov.

FIGURE 8. Lateral view of head, dorsal and lateral views of thorax in males: A, B, C. Leucophenga hyaloptera Huang & Chen, sp. nov.; D, E, F. L. oxyptera Huang & Chen, sp. nov.; G, H, I. L. platypyga Huang & Chen, sp. nov.; J, K, L. L. serrateiceps Huang & Chen, sp. nov.; M, N, O. L. valvata Huang & Chen, sp. nov; P, Q, R. L. zebrina Huang & Chen, sp. nov.

FIGURE 9. Colour patterns of abdominal tergites: A. Leucophenga jacobsoni; B, C. L. kurahashii; D, E. L. setipalpis; F. L. sorii; G, H. L. spinifera; I, J. L. varinervis; K. L. acantha Huang & Chen, sp. nov.; L. L. alafumosa Huang & Chen, sp. nov.

FIGURE 10. Colour patterns of abdominal tergites: A, B. Leucophenga alafumosa Huang & Chen, sp. nov.; C. L. brevipenis Huang & Chen, sp. nov.; D, E. L. brevitabulata Huang & Chen, sp. nov.; F. L. delta Huang & Chen, sp. nov.; G, H. L. forcipula Huang & Chen, sp. nov.; I, J. L. fuscipalpula Huang & Chen, sp. nov.; K, L. L. glabtabulata Huang & Chen, sp. nov.

FIGURE 11. Colour patterns of abdominal tergites: A, B, C. Leucophenga helvipecta Huang & Chen, sp. nov.; D, E. L. hyaloptera Huang & Chen, sp. nov.; F. L. oxyptera Huang & Chen, sp. nov.; G. L. platypyga Huang & Chen, sp. nov.; H, I. L. serrateiceps Huang & Chen, sp. nov.; J, K, L. L. valvata Huang & Chen, sp. nov.

FIGURE 12. Colour patterns of abdominal tergites: A, B, C, D. Leucophenga valvata Huang & Chen, sp. nov.; E. L. zebrina Huang & Chen, sp. nov.; F. Colour legend.

FIGURE 16. Male terminalia: A, B. Leucophenga hyaloptera Huang & Chen, sp. nov.; C, D. L. oxyptera Huang & Chen, sp. nov.; E, F. L. platypyga Huang & Chen, sp. nov.; G, H. L. serrateiceps Huang & Chen, sp. nov.; I, J. L. valvata Huang & Chen, sp. nov.; K, L. L. zebrina Huang & Chen, sp. nov.

FIGURE 17. Leucophenga jacobsoni Duda, 1926, male terminalia in lateral view. A. Epandrium (epand), surstylus (sur), and cercus (cerc); B. Hypandrium (hypd), paramere (pm), gonopods (gon), aedeagus (aed), and aedeagal apodeme (aed a); C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 18. Leucophenga kurahashii Okada, 1987, male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 19. Leucophenga setipalpis Duda, 1923, male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 21. Leucophenga spinifera Okada, 1987, male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 22. Leucophenga varinervis Duda, 1923, male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 23. Leucophenga acantha Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 24. Leucophenga alafumosa Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm. Description. Ocellar triangle dark brown, with ca. 2 or 3 setae above ocellar setae. Postocellar setae minute (Fig. 6G). Frons brownish (Fig. 6G). Orb3 and Orb2 parallel (Fig. 6G). Pedicel brownish yellow; first flagellomere

FIGURE 25. Leucophenga brevipenis Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 26. Leucophenga brevitabulata Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 27. Leucophenga delta Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 28. Leucophenga forcipula Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 29. Leucophenga fuscipalpula Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 30. Leucophenga glabtabulata Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 31. Leucophenga helvipecta Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 32. Leucophenga hyaloptera Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, and aedeagus; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 34. Leucophenga platypyga Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 35. Leucophenga serrateiceps Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 36. Leucophenga valvata Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.

FIGURE 37. Leucophenga zebrina Huang & Chen, sp. nov., male terminalia in lateral view. A. Epandrium, surstylus, and cercus; B. Hypandrium, paramere, gonopods, aedeagus, and aedeagal apodeme; C. Paramere; D. Aedeagus. Scale bars = 0.1 mm.