Thienemannimyia Fittkau

Cheng, Ming & Wang, Xinhua, 2009, Thienemannimyia Fittkau (Diptera: Chironomidae) from China, Zootaxa 2074, pp. 50-60 : 59

Key to the males of Thienemannimyia Fittkau

1. Wing membrane without markings .............................................................................................................................. 2

- Wing membrane with pigment markings...................................................................................................................... 6

2. Wing colour uniformly pale.......................................................................................................................................... 3

- Wing cross-vein R-M brown ........................................................................................................................................ 5

3. Tergites uniformly pale ........................................................................................................ T. galbina sp. n. (Oriental)

- Tergites with darker bands ........................................................................................................................................... 4

4. Tibiae without bands.............................................................. T. geijskesi ( Goetghebuer, 1934) (Palaearctic, Oriental)

- Tibiae with bands ............................................................................................. T. vitellina (Kieffer, 1916) (Palaearctic)

5. FCu brown ................................................................................................. T. choumara Dowling, 1983 (Afrotropical)

- R5 brown ........................................................................................................ T. woodi ( Edwards, 1929) (Palaearctic)

6. Wing with scattered spots ............................................................................................................................................. 7

- Wing with broader fasciae .......................................................................................................................................... 10

7. Leg with brown bands.................................................................................................................................................. 8

- Leg without bands......................................................................................................................................................... 9

8. Femora and tibiae with bands; antenna with 14 flagellomeres ................. T. tinctoria ( Freeman, 1955) (Afrotropical)

- Only femora with band; antenna with 11 or 14 flagellomeres......................................... T. dimorpha sp. n. (Oriental)

9. Abdomen with unbroken bands .......................................................... T. northumbrica ( Edwards, 1929) (Palaearctic)

- Abdomen with broken bands ............................................................ T. barberi ( Coquillett, 1902) (Nearctic, Oriental)

10. Legs with brown bands .............................................................................................................................................. 11

- Legs without bands ................................................................................................................................................... 14

11. Gonostylus with basal heel ............................................................ T. fusciceps ( Edwards, 1929) (Holarctic, Oriental)

- Gonostylus without basal heel .................................................................................................................................... 12

12. Median volsella spatulate, but drawn to a point on the inner concave posterior border ............................................... .................................................................................................................. T. pseudocarnea Murray, 1976 (Palaearctic)

- Median volsella nearly parallel-sided ......................................................................................................................... 13

13. Abdominal tergite II with band; gonostylus broader medially and gradually tapering towards apex............................ ....................................................................................................................... T. carnea (Fabricius, 1805) (Palaearctic)

- Abdominal tergite II without band; gonostylus robust ........................................ T. norena (Roback, 1957) (Nearctic)

14. Median volsella less concave; gonostylus with basal heel ............................ T. lentiginosa (Fries, 1823) (Palaearctic)

- Median volsella more concave; gonostylus without basal heel ................................................................................. 15

15. Wing with single marking................................................................................. T. festiva (Meigen, 1838) (Palaearctic)

- Wing with several markings ................................................................. T. laeta ( Meigen, 1818) (Palaearctic, Oriental)