Bioacoustics of Diaphorus

key · Plazi

1. Fore tarsus without claw ............................................................................................... 2 ­ Fore tarsus with 1 or 2 claws....................................................................................... 31 2. Mid tarsus without claw, hind tarsus with 1 or 2 claws ................................................ 3 ­ Mid and hind tarsi with 2 claws [unknown in the case of elongatus ]........................... 4 3. Hind tarsus with 2 claws… Anhui, Fujian, Guangdong, Guangxi, Hainan, Yunnan, Zhejiang; Taiwan .................................................... Diaphorus mandarinus Wiedemann ­ Hind tarsus with 1 claw… Beijing , Henan ...... Diaphorus henanensis Yang and Saigusa 4. Abdominal terga entirely black ..................................................................................... 5 ­ Abdominal terga partly yellow basally ....................................................................... 21 5. Abdominal sterna 1–3 yellow; cercus much elongated… Xinjiang ................................ ....................................................................... Diaphorus elongatus Yang and Grootaert ­ Abdominal sterna entirely black; cercus normal (not elongated) ................................. 6 6. All femora yellow… Shanghai , Yunnan ................................ Diaphorus luteipes Parent ­ All femora chiefly or entirely black .............................................................................. 7 7. Lateral lobe with 4 marginal denticles… Henan ............................................................. ................................................................. Diaphorus quadridentatus Yang and Saigusa ­ Lateral lobe without distinct or with less than 3 marginal denticles............................. 8 8. Mid and lower postocular bristles pale ......................................................................... 9 ­ Postocular bristles entirely black................................................................................. 10 9. Seven to nine paired acr; sternum 8 with 6 strong bristles; cercus with ventral lobe long and broad… Hebei ................................ Diaphorus hebeiensis Yang and Grootaert ­ Three to four paired acr; sternum 8 with 4 strong bristles; cercus with ventral lobe short and thin, finger­like… Yunnan ........... Diaphorus jingpingensis Yang and Saigusa 10. Halter yellow; palpus yellow....................................................................................... 11 ­ Halter black; palpus brown or black ........................................................................... 16 11. Hind tibia entirely black… Henan , Sichuan ..................................................................... ........................................................... Diaphorus qingchengshanus Yang and Grootaert ­ Hind tibia yellow or dark yellow with dark apex........................................................ 12 12. Hind femur apically without long ventral hairs .......................................................... 13 ­ Hind femur apically with long ventral hairs................................................................ 14 13. Five to six paired acr… Yunnan ............. Diaphorus mengyanganus Yang and Grootaert ­ Eleven paired acr… Guizhou ............................. Diaphorus biprojicientis Wei and song 14. Fore tibia with 1 ad and 2 pd....................................................................................... 15 ­ Fore tibia without distinct d; lateral lobe with 1 marginal denticle ... Yunnan ................ ................................................................. Diaphorus menglunanus Yang and Grootaert 15. Nine to ten paired acr; lateral lobe with 3 marginal bristles; cercus ventral lobe longer than surstylus…Sichuan; Taiwan ................... Diaphorus tridentatus Yang and Saigusa ­ Thirteen paired acr;lateral lobe with about10marginal bristles;cercus ventral lobe shorter than surstylus ........................................................... Diaphorus connexus Wei and Song 16. Wing dark brown......................................................................................................... 17 ­ Wing hyaline, sometimes weakly tinged with grayish................................................ 18 17. All legs entirely black…Guangdong, Shaanxi................................................................ ...................................................................... Diaphorus qinlingensis Yang and Saigusa ­ Tibiae and tarsi yellow… Guangdong, Guizhou, Henan, Sichuan, Yunnan, Zhejiang; Palaearctic, Nearctic and Neotropical Regions ................. Diaphorus nigricans Meigen 18. Legs entirely black ...................................................................................................... 19 ­ Legs not entirely black ................................................................................................ 20 19. Three to four irregularly paired acr; mid femur without rowed v…Yunnan................... ...................................................................... Diaphorus triangulatus Yang and Saigusa ­ Six to seven irregularly paired acr; mid femur with row of av and pv…Guangdong..... ................................................................................ Diaphorus guangdongensis sp. nov. 20. Allfemoraentirelyblack;foretibiawith1ad…Guangdong,Guizhou,Hebei,Jiangsu,Yunnan ................................................................................... Diaphorus jinghongensis sp. nov. ­ All femora chiefly black with extreme tips brownish yellow; fore tibia without distinct ad…Yunnan ........................................................ Diaphorus bisetus Yang and Grootaert 21. Mid femur entirely or chiefly yellow .......................................................................... 22 ­ Mid and hind femora partly or mostly black............................................................... 26 22. Hind femur chiefly black, with basal 1/4 yellow… Hainan............................................ ...................................................................... Diaphorus hainanensis Yang and Saigusa ­ Hind femur chiefly or entirely yellow......................................................................... 23 23. Hind femur entirely yellow…Yunnan ................................ Diaphorus ruiliensis sp. nov ­ Hind femur chiefly yellow with brown or black apex ................................................ 24 24. Fore tibia without distinct ad or pd…Yunnan ................... Diaphorus longiseta sp. nov. ­ Fore tibia with 1 ad and pd.......................................................................................... 25 25. Palpus black; mid femur without v at base; hind femur with long ventral hairs on apical half…Guizhou, Yunnan ............................. Diaphorus apiciniger Yang and Saigusa ­ Palpus yellow; mid femur with 1 v at base; hind femur without distinct long ventral hairs, apically with 3–4 av…Beijing, Hebei ............ Diaphorus basiniger Yang and Grootaert 26. Eyes separated on frons; fore femur yellow…Yunnan, Taiwan ...................................... .................................................................... Diaphorus centriflavus Yang and Grootaert ­ Eyes contiguous on frons; fore femur chiefly black ................................................... 27 27. Hind tibia entirely yellow…Jiangxi, Sichuan .................. Diaphorus lichtwardti Parent ­ Hind tibia yellow, with black apex.............................................................................. 28 28. Wing dark brown; lateral lobe with 2 hairs… Yunnan.................................................... ................................................................. Diaphorus alamaculatus Yang and Grootaert ­ Wing hyaline, tinged with grayish; lateral lobe bearing about 10 hairs...................... 29 29. Hind femur with 2–3 rows of long posterior ventral hairs.......................................... 30 ­ Hind femur without rows of long posterior ventral hairs…Xizang ................................ .................................................................... Diaphorus xizangensis Yang and Grootaert 30. Five paired acr; hind tibia without distinct v… Yunnan .................................................. ............................................................................. Diaphorus salticus Yang and Saigusa ­ Eleven pairedacy; hind tibia with 5 v … Guizhou .. Diaphorus comiumus Wei and Song 31. Fore tibia with2pd;abdominal tergum5 with bundle of long hairs on postero­lateral corner …Beijing, Hebei, Henan; Russia ...................................... Diaphorus anatoli Negrobov ­ Fore tibia without pd; abdominal tergum 5 without long hair … Shaanxi , Sichuan , Yunnan ......................................... Diaphorus nanpingensis Yang and Saigusa

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