Helina obtusipennis

Wang, Ming-Fu, Wang, Rong-Rong & Xue, Wan-Qi, 2006, A review of the H. obtusipennis species­group of the genus Helina R. ­ D. (Diptera: Muscidae) from the Palaearctic and Oriental regions, with description of one new species, Zootaxa 1137, pp. 63-68 : 64-65

Key to species of Helina obtusipennis species­group from Palaearctic and Oriental regions (males)

1 Two strong upper orbital setae ...................................................................................... 2

­ One upper orbital setae ................................................................................................. 8

2 Radial node with setulae on ventral surface ........................ H . ciliatocosta (Zetterstedt)

­ Radial node without setulae .......................................................................................... 3

3 Katepisternal setae 1:2; abdomen without paired spots ................................................ 4

­ Katepisternal setae 2: 2 ................................................................................................. 5

4 Femora and tibiae yellow, hind tibia without pv; antenna long, first flagellomere about 4.0 times as long as broad ............................................................ H . macrocera Hennig

­ At most knees and tibiae yellowish, hind tibia with 6–7 pv; antenna short, first flagellomere at most 3.0 times as long as broad ..................... H. mandschurica Hennig

5 Mid tibia with 2–3 ad .......................................................... H . obtusipennis (Fabricius)

­ Mid tibia without ad ...................................................................................................... 6

6 Fore tibia with 1 ad, at most apexes of femora and tibiae yellow.................................. ...................................................................................................... H . atlantica (Tiensuu)

­ Fore tibia without ad, at least hind femur and tibia yellow........................................... 7

7 Parafacial about twice as long as flagellomere width; calypters brownish; mid femur with 2 pv, hind femur without pv; abdominal tergite 2 without spots........................... ..................................................................................................... H . eunymetopa Emden

­ Parafacial about 1/2–2/3 of flagellomere width; calypters yellowish; mid femur with 4 pv, hind femur with comb­like pv row on distal 1/3; abdominal tergite 2 with a pair of dark spots ................................................................................... H . medogensis sp. nov.

8 Tibiae yellow ......................................................................... H . spinicosta (Zetterstedt)

­ Tibiae black ................................................................................. H . setigera (Pokonny)