Phaonia errans (Meigen, 1826)

Xue, Wanqi & Du, Jing, 2020, Five new species of Phaonia Robineau-Desvoidy (Diptera: Muscidae) from China, Zootaxa 4895 (4), pp. 559-572 : 563-564

Phaonia errans group

Addendum to the key to species of the Phaonia errans group from Ma, Xue & Feng (2002) (males)

1. Fore tarsus without sensory hairs on the ventral surface ( Phaonia simulans subgroup).............................. 2

- Fore tarsus with sensory hairs on the ventral surface ( Phaonia errans subgroup)................................... 9

2. Sternite 1 bare........................................................................................ 3

- Sternite 1 setulose..................................................................................... 4

3. Fore tibia with 1–2 median p; frons about 1.5x as wide as the distance between out margin of posterior ocellus; parafacial about 1.8x as wide as postpedicel............................................................ P. rectoides Xue, 1996

- Fore tibia without median p; frons about 1.5x as wide as anterior ocellus; parafacial not wider than postpedicel............................................................................................. P. liujiayui Xue sp. nov.

4. Eye covered with short ciliae............................................................................ 5

- Eye covered with long ciliae............................................................................ 6

5. Dm-cu crossvein curved as S shaped; Coxae and tarsi black; parafacial slightly narrower than postpedicel; the end of surstyli is pointed in profile................................................................ P. asierrans Zinovjev, 1981

- Dm-cu crossvein slightly straight; Coxae and tarsi fuscous; parafacial about 2/3 of postpedicel in width; the end of surstyli is broad in profile........................................................... P. fulvescenticoxa Feng & Ma, 2002

6. Hind tibia with 2 ad and 1 long pd ........................................................................ 7

- Hind tibia with 0 ad and 1 fine pd .................................................... P. minoricalcar Wei, 1994

7. Distal half of scutellum yellow........................................................ P. shuierrans Feng, 1995

- Most part of scutellum yellow or orange................................................................... 8

8. Antenna brown; hind femur with pv in distal 1/3................................ P. jinfengshanensis Feng & Ma, 2002

- Antenna black; hind femur without pv ................................................ P. wangpingga Xue sp. nov.

9. At least distal part of scutellum yellowish-brown........................................................... 10

- Scutellum not yellowish-brown......................................................................... 18

10. Sternite 1 bare....................................................................................... 11

- Sternite 1 setulose.................................................................................... 14

11. Most part of scutellum brown.................................................... P. sinierrans Xue & Cao, 1989

- Nearly distal half of scutellum yellow.................................................................... 12

12. Notopleuron bare................................................................ P. subscutellata Xue, 1991

- Notopleuron setulose................................................................................. 13

13. Frons about 2.0x as wide as anterior ocellus; basal half of palpus brown............ P. suberrans Feng in Ma & Feng, 1989

- Frons subequal to the width of anterior ocellus; palpus black.......................... P. tianmushanensis Xue sp. nov.

14. Fore tibia with 2–3 median p .............................................. P. mimerrans Ma in Ma & Feng, 1989

- Fore tibia without median p ............................................................................ 15

15. Scutum with black vittae.............................................................................. 16

- Scutum without black vittae............................................................................ 17

16. Calypter light yellow; halter yellow..................................................... P. latierrans Xue, 1996

- Calypter brownish yellow; halter light reddish brown.................................. P. xinierrans Feng & Ye, 2009

17. Upper half of frons with setulae-like fr row; distal half of scutellum orangered; all tergites without middle black vitta....................................................................................... P. errans ( Meigen, 1826)

- Upper half of frons bare; only the end and lateral margins of scutellum light brownish-red; at least tergite 1+2 and tergite 3 with middle black vittae.......................................................... P. rufivulgaris Xue & Wang, 1989

18. All femora yellow.................................................................................... 19

- At least part of femora black........................................................................... 20

19. Dm-cu crossvein slightly bent; fr row in full, small setulae-like on upper half of frons; hind femur without pv ...................................................................................... P. youyuensis Xue & Wang, 1989

- Dm-cu crossvein distinctly bent; fr row incomplete, upper half of frons bare; hind femur with 2 pv ........ P. fissa Xue, 1984

20. All femora black..................................................................................... 21

- Part of femora yellow................................................................................. 22

21. Basicosta brown; crossveins r-m and dm-cu not clouded...................................... P. bulanga Xue, 1996

- Basicosta black; crossveins r-m and dm-cu clouded............................ P. nigrierrans Cui, Zhang & Xue, 1998

22. Sternite 1 bare; presutural of scutum with black vittae............................... P. tristriolata Ma & Wang, 1992

- Sternite 1 setulose; presutural of scutum without black vittae.................................................. 23

23. Frons narrower, about half width of anterior ocellus; parafacial distinctly narrower than postpedical; body length 5.0 mm..................................................................... P. chaoyangensis Zhang, Cui & Wang, 1993

- Frons subequal to the width of the distance between out margin of posterior ocellus; parafacial about 2.0x as wide as postpedical; body length 7.0–11.0 mm............................................ P. shanxiensis Zhang, Zhao & Wu, 1985