Mydaea Robineau-Desvoidy 1830
Creators: name: Wang, Yameng
name: Li, Wenliang
name: Li, Xin
name: Yang, Ding
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Muscidae
Mydaea

description: Key to Chinese species of genus Mydaea Robineau-Desvoidy, 1830 (males)
The following key is mainly based on Xue et al. (2014), where 7 other species recorded in China (M. adhesipeda Xue, 2019; M. corni (Scopoli, 1763); M. quinquiseta Xue, 2019; M. qingyuanensis Xue, 2019; M. combiniseriata Xue, 2019; M. wusuensis Xue, 2019 and M. xishuiensis Wei, 2005) and one new species were included. M. flavifemora Feng, 2000, M. jiuzhaigouensis Feng & Deng, 2001 and M. scolocerca Feng, 2000 were three junior synonymies and have been excluded.
1. dc 2+3 .............................................................................................. 2
- dc 2+4 .............................................................................................. 7
2. Femora yellow....................................................................................... 3
- Femora black........................................................................................ 4
3. Parafacial about 3/5 of postpedicel in width; the longest hair of arista subequal to width of postpedicel; pra about 1/3 of posterior npl; basicosta black; fore tibia without medial pv; hind femur with complete pv row.................................................................................................... M. bideserta Xue & Wang, 1992
- Parafacial about 1/3 of postpedicel in width; the longest hair of arista about 1/3 of postpedicel in width; pra longer than posterior npl; basicosta yellow; fore tibia with 1 medial pv; hind femur without pv ....... M. jubiventera Feng & Deng, 2001
4. Hind femur with complete and developed pv row............................................................ 5
- Hind femur without pv ............................................................... M. shuensis Feng, 2003
5. Frons subequal to antennal postpedicel in width; frontal vitta disappeared at middle................................ 6
- Frons about twice as wide as antennal postpedicel; frontal vitta about twice as wide as fronto-orbital plate......................................................................................... M. laxidetrita Xue & Wang, 1992
6. Eyes with dense hair; frons with complete fr; parafacial about twice as wide as antennal postpedicel............................................................................................... M. gansuensis (Ma & Wu, 1992)
- Eyes bare; frons with partial fr; parafacial about half of antennal postpedicel in width........................................................................................................ M. franzosternita Xue & Tian, 2014
7. Scutellum yellow, or only distal part yellow................................................................. 8
- Scutellum dark black.................................................................................. 16
8. Hind femur without pv, or with pv at base at most............................................................ 9
- Hind femur with complete row of pv ..................................................................... 11
9. Postpronotal lobe black................................................................................ 10
- Postpronotal lobe yellow........................................................... M. tinctoscutaris Xue, 1992
10. Palpi and legs black................................................................ M. quinquiseta Xue, 2019
- Palpi yellow, but black at distal 1/4; legs yellow except tarsi black brown (Fig. 15)..................................................................................................... M. apicinigra Wang, Li & Yang, sp. nov.
11. Anterior spiracle yellow............................................................................... 12
- Anterior spiracle fuscous.............................................................................. 14
12. acr 0+2............................................................................................ 13
- acr 0+1....................................................................... M. qingyuanensis Xue, 2019
13. Coxae and trochanters yellowish brown; hind femur with strong and complete row of pv ........... M. gracilior Xue, 1992
- Coxae and trochanters black; hind femur with weak pv ..................................... M. corni (Scopoli, 1763)
14. Coxae, trochanters of fore leg and all tarsi fuscous........................................................... 15
- All legs yellow............................................................... M. kangdinga Xue & Feng, 1992
15. Ventral surface of fore femur fuscous on basal half..................................... M. setifemur Ringdahl, 1924
- Ventral surface of fore femur yellow on basal half..................................... M. combiniseriata Xue, 2019
16. All legs entirely black................................................................................. 17
- Legs not as above.................................................................................... 19
17. Frons subequal to the distance between outer margins of posterior ocellus....................................... 18
- Frons subequal to 1.5 times as wide as anterior ocellus..................................... M. wusuensis Xue, 2019
18. Antennal arista ciliated, the longest hair subequal with antennal postpedicel in width; pra about 3/4 of npl; fore tibia with 1 medial p; hind femur with pv; abdomen with shifting patches......................... M. sinensis Ma, Wu & Cui, 1986
- Antennal arista plumose, the longest hair about 1.5 times as wide as postpedicel; pra about 1.3 times as long as npl; fore tibia without medial p; hind femur without pv; abdomen without shifting patch..................... M. ancilloides Xue, 1992
19. Hind femur, or hind and mid femora, or all femora yellow.................................................... 20
- All femora fuscous................................................................................... 30
20. Hind femur with pv row............................................................................... 21
- Hind femur without pv ................................................................................ 25
21. pra about half of posterior npl in length; wing brown; basal half of hind femur with pv obviously..................... 22
- pra longer than posterior notopleural seta; wing yellow; hind femur with sparse and short pv ........................ 23
22. Frons about 2.0–2.5 times as wide as anterior ocellus; hind tibia with 2 av .................. M. brunneipennis Wei, 1994
- Frons subequal with anterior ocellus in length; hind tibia with 1 av ............................... M. nigra Wei, 1994
23. Frons less than 6 pairs of fr; pra longer than posterior npl; hind tibia with 2 av .................................... 24
- Frons with 10 pairs of fr; pra about 1.5–2.0 times as long as posterior npl; hind tibia with 3 av .... M. urbana (Meigen, 1826)
24. Tibia black brown; mid tibia with 3– 4 p. ................................................. M. glaucina Wei, 1994
- Tibia yellow; mid tibia with 2 p. ............................................ M. minutiglaucina Xue & Tian, 2012
25. Frons about twice as wide as anterior ocellus; abdomen without shifting patch.................................... 26
- Frons subequal to anterior ocellus in width; abdomen with shifting patches.................... M. discocerca Feng, 2000
26. Antennal arista ciliated, the longest hair subequal to width of antennal postpedicel................................. 27
- Antennal arista short ciliated, the longest hair longer than width of antennal postpedicel............................ 29
27. Parafacial subequal to postpedicel in width................................................................ 28
- Parafacial about half of postpedicel in width................................................. M. brevis Wei, 1994
28. Basicosta dark brown; pra approximately 1.3 times as long as posterior npl; fore tibia without median p; ventral surface of fore tarsus without adhesive hairs (special hair-like setae modified for climbing or gripping, proposed by Du et al., 2019)................................................................................... M. fuchaoi Xue & Tian, 2012
- Basicosta yellow; pra shorter than posterior npl; fore tibia with 1 median p; ventral surface of fore tarsus with adhesive hairs................................................................................. M. adhesipeda Xue, 2019
29. Fore femur yellow; metapleuron bare............................................... M. nigribasicosta Xue, 1996
- Fore femur black at basal half; metapleuron with hairs....................................... M. affinis Meade, 1891
30. Hind femur with pv ................................................................................... 31
- Hind femur without pv ................................................................................ 33
31. Hind femur with complete pv row; tibia yellow............................................................. 32
- Hind femur with pv at basal half; tibia brown............................................... M. nubila Stein, 1916
32. Frons subequal to twice of anterior ocellus; hind tibia with 1 av and 2 ad. .................... M. minor Ma & Wu, 1986
- Frons equal to the distance between outer margins of posterior ocellus; hind tibia with 2 av and 3 ad. .................................................................................................... M. latielecta Xue, 1992
33. kepst 2+2........................................................................................... 34
- kepst 1+2......................................................................... M. xishuiensis Wei, 2005
34. Frons subequal to the distance between outer margins of posterior ocellus; the longest aristal hair 2 times as wide as antennal postpedicel; tibia yellow; hind tibia with 1 av .................................... M. emeishanna Feng & Deng, 2001
- Frons about 1.6–2 times of anterior ocellus; the longest aristal hair about equal to antennal postpedicel in width; tibia brown to dark brown; hind tibia with 2–3 av ..................................................... M. subelecta Feng, 2000
description: Published as part of Wang, Yameng, Li, Wenliang, Li, Xin & Yang, Ding, 2023, Two new species of the subfamily Mydaeinae (Diptera: Muscidae) from China, pp. 543-554 in Zootaxa 5318 (4) on pages 548-549, DOI: 10.11646/zootaxa.5318.4.7, http://zenodo.org/record/8181956