Phyllomyza
Creators: name: Xi, Yuqiang
name: Zhu, Yongqiang
name: Liu, Chang
name: Yang, Ding
name: Yin, Xinming
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Milichiidae
Phyllomyza

description: 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
description: Published as part of Xi, Yuqiang, Zhu, Yongqiang, Liu, Chang, Yang, Ding & Yin, Xinming, 2023, Three new species of Phyllomyza Fallén (Diptera: Milichiidae) from Yintiaoling National Nature Reserve of Chongqing, with an updated key from China, pp. 115-122 in Zootaxa 5257 (1) on pages 116-117, DOI: 10.11646/zootaxa.5257.1.8, http://zenodo.org/record/7765927