Three new species of Phyllomyza Fallén (Diptera: Milichiidae) from Yintiaoling National Nature Reserve of Chongqing, with an updated key from China Author Xi, Yuqiang 0000-0002-3285-8904 State Key Laboratory of Wheat and Maize Crop Science / Henan International Laboratory for Green Pest Control, Department of Entomology, Henan Agricultural University, Zhengzhou 450046, China & yuqiangxi 2012 @ 126. com, https: // orcid. org / 0000 - 0002 - 3285 - 8904 Author Zhu, Yongqiang 0000-0002-0987-8552 State Key Laboratory of Wheat and Maize Crop Science / Henan International Laboratory for Green Pest Control, Department of Entomology, Henan Agricultural University, Zhengzhou 450046, China & yq 16262405055 @ 163. com, https: // orcid. org / 0000 - 0002 - 0987 - 8552 Author Liu, Chang 0000-0001-6958-1112 State Key Laboratory of Wheat and Maize Crop Science / Henan International Laboratory for Green Pest Control, Department of Entomology, Henan Agricultural University, Zhengzhou 450046, China & 1369383769 lc @ sina. com, https: // orcid. org / 0000 - 0001 - 6958 - 1112 Author Yang, Ding 0000-0002-7685-3478 Department of Entomology, China Agricultural University, Beijing 100193, China & dyangcau @ 126. com, https: // orcid. org / 0000 - 0002 - 7685 - 3478 Author Yin, Xinming 0000-0003-3936-3557 State Key Laboratory of Wheat and Maize Crop Science / Henan International Laboratory for Green Pest Control, Department of Entomology, Henan Agricultural University, Zhengzhou 450046, China & xinmingyin @ 126. com, https: // orcid. org / 0000 - 0003 - 3936 - 3557 text Zootaxa 2023 2023-03-24 5257 1 115 122 http://dx.doi.org/10.11646/zootaxa.5257.1.8 journal article 10.11646/zootaxa.5257.1.8 1175-5326 7765927 24E125D2-A4A4-4105-A343-AFBF5E5CB5C0 Key to species (males) of Phyllomyza from China 1. Palpus almost bare, without setulae....................................................................... 2 -. Palpus with short setulae at tip and ventral side............................................................ 12 2. Frons with 3 or 5 interfrontal setae....................................................................... 3 -. Frons with 4 interfrontal setae........................................................................... 6 3. Frons with 5 interfrontal setae.................................................. P. prolongatusa Xi, Yang & Yin -. Frons with 3 interfrontal setae........................................................................... 4 4. Postocellar setae converging; first flagellomere irregularly quadrate.............. P. nigrimarginata Xi, Shen, Yang & Yin -. Postocellar setae cruciate; first flagellomere irregularly circular................................................ 5 5. Gena approximately one-ninth of eye height; cercus lacking ventral appendix................. P. fuscusa Xi, Yin & Yang -. Gena approximately one-eleventh of eye height; cercus with short ventral appendix. P. gangliiformisa Xi, Shen, Yang & Yin 6. Cercus with short ventral appendix; arista 2.5 times longer than first flagellomere................................. · 7 -. Cercus lacking ventral appendix; arista 3 times longer than first flagellomere..................................... 8 7. Gena relatively broad, approximately one-sixth of eye height; palpus long.............. P. glossophyllusa Xi, Yin & Yang -. Gena relatively narrow, approximately one-eighth of eye height; palpus short·................... · P. nudipalpis Malloch 8. First flagellomere 1.5 times wider than long ·............................................................... 9 -. First flagellomere less than 1.5 times wider than long........................................................ 10 9. Gena relatively broad, approximately one-sixth of eye height; first flagellomere irregularly circular ·................................................................................................. P. aureolusa Xi, Yin & Yang -. Gena relatively narrow, approximately one-eleventh of eye height; first flagellomere irregularly quadrangular........................................................................................ · P. ruiliiensis Xi, Yang & Yin 10. Arista 2.5 times as long as first flagellomere......................................... P. luteigenis Xi, Yang & Yin -. Arista 3.0 times as long as first flagellomere.............................................................. 11 11. Gena approximately one-fourteenth of eye height; knob of halter brownish.............. P. guangxiensis Xi, Yang & Yin -. Gena approximately one-tenth of eye height; knob of halter yellowish.................... P. leioipalpus Xi, Yin & Yang 12. Palpus slightly longer, at least 0.6 mm long ·.............................................................. 13 -. Palpus length less than 0.6 mm long.................................................................... · 15 13. Frons with 4 interfrontal setae; eye 1.5 times higher than long.......................... P. basilatusa Xi, Yin & Yang -. Frons with 3 interfrontal setae; eye 1.4 times higher than long··................................................ 14 14. First flagellomere irregularly quadrangular; lunule brownish ·....................... P. longisetae Xi, Shen, Yang & Yin -. First flagellomere irregularly rectangular; lunule darkish grey ··............................... P. sinensis Xi & Yang 15. Cercus with ventral appendix.......................................................................... 16 -. Cercus lacking ventral appendix........................................................................ 23 16. Frons with 3 interfrontal setae ·......................................................................... 17 -. Frons with 4 interfrontal setae......................................................................... · 18 17. Eye 1.5 times higher than long; knob of halter darkish brown........................... P. motuoensis Xi, Yang & Yin -. Eye 1.3 times higher than long; knob of halter yellowish white........................... P. striolatum Xi, Yang & Yin 18. Vibrissal angle relatively acute ·....................................................... · P. obliquusa Xi & Yin -. Vibrissal angle relatively blunt ·........................................................................ · 19 19. Arista 3.5 times longer than first flagellomere ·............................................... P. obtususa sp. nov. -. Arista 3 times longer than first flagellomere ·.............................................................. 20 20. Eye 1.3 times higher than long; postocellar setae converging............................ · P. lii Xi, Shen, Yang & Yin -. Eye 1.5 times higher than long; postocellar setae cruciate ·................................................... 21 21. Gena approximately one-ninth of eye height; M 1 between r-m and dm-cu as long as dm-cu ·............ P. hirtipes sp. nov. -. Gena approximately one-tenth of eye height; M 1 between r-m and dm-cu longer than dm-cu ·....................... · 22 22. Vibrissa located at the level of lower eye margin; calypter with yellowish microtrichae................ P. epitacta Hendel -. Vibrissa located below the level of lower eye margin; calypter with blackish microtrichae......... P. fuscusagenis sp. nov. 23. Arista at least 3 times longer than first flagellomere; eye 1.6 times higher than long.............................. · 24 -. Arista 3 times as long as first flagellomere; eye less than 1.6 times higher than long............................... 25 24. Gena approximately one-eleventh of eye height; arista darkish brown............................. P. claviconis Yang -. Gena approximately one-seventh of eye height; arista black................................... · P. covexusa Xi & Yin 25. M 1 between r-m and dm-cu as long as dm-cu.............................................................. 26 -. M 1 between r-m and dm-cu longer than dm-cu............................................................. 27 26. Gena narrow, approximately one-eleventh of eye height; palpus long, 5 times longer than wide.... P. angustigenis Xi & Yang -. Gena relatively broad, approximately one-seventh of eye height; palpus long, 7 times longer than wide................................................................................................. P. euthyipalpis Xi & Yang 27. M 1 between r-m and dm-cu at least 1.5 times longer than dm-cu............................................... 28 -. M 1 between r-m and dm-cu less than 1.2 times longer than dm-cu............................................. 34 28. Vibrissa located at level of lower eye margin.............................................................. 29 -. Vibrissa located below level of lower eye margin........................................................... 32 29. Postocellar setae converging; gena approximately one-ninth of eye height...................... P. clavellata Xi & Yang -. Postocellar setae cruciate; gena approximately one-tenth of eye height·.......................................... 30 30. Frons with 5 interfrontal setae; tibiae blackish brown ·......................... P. melanogastera Xi, Shen, Yang & Yin -. Frons with 3 or 4 interfrontal setae; tibiae yellowish......................................................... 31 31. Frons with 4 interfrontal setae; ocellar triangle brownish ·.................................. P. flevies Xi, Yang & Yin -. Frons with 3 interfrontal setae; ocellar triangle blackish.................................... · P. luteipalpus Malloch 32. Halter white; palpus sickle-shaped ·.................................................. P. drepanipalpis Xi & Yang -. Halter dark brown or yellowish; palpus slightly flat and straight ·.............................................. 33 33. Gena approximately one-seventh of eye height; knob of halter yellowish ·.................. P. emeishanensis Xi & Yang -. Gena approximately one-fifth of eye height; knob of halter with upper half white and lower half dark brown·............................................................................................ P. latustigenis Xi & Yang 34. First flagellomere irregularly quadrangular................................................................ 35 -. First flagellomere irregularly circular.................................................................... 37 35. Eye 1.4 times higher than long; ocellar triangle brown ·...................................................... 36 -. Eye 1.2 times higher than long; ocellar triangle black........................................ P. dicrana Xi & Yang 36. Gena approximately one-ninth of eye height; arista 3 times longer than first flagellomere.................................................................................................... P. brevipalpis Xi, Shen, Yang & Yin -. Gena approximately one-fourteenth of eye height; arista 2.5 times longer than first flagellomere................................................................................................. P. squadratpalpus Xi, Yang & Yin 37. Vibrissal angle relatively acute, its tip less than 60 degree angle.............................. P. cuspigera Xi & Yang -. Vibrissal angle flat and blunt........................................................................... 38 38. Cercus with thin ventral appendix; hind tibia brownish ·....................................... P. dilatata Malloch -. Cercus lacking short ventral appendix; hind tibia dark brown ·................................................ 39 39. Palpus wide, 2.6 times longer than wide; knob of halter with upper half brown brownish and lower half dark brown·....................................................................................... P. planipalpis Xi & Yang -. Palpus basally wide and apically narrowed; knob of halter with upper half yellow and under half yellowish ·............................................................................................... P. tibetensis Xi & Yang