KEYS TO SWEDISH GENERA AND SPECIES OF DOLICHOPODIDAE

by I.Ya. Grichanov

Igor Grichanov, All-Russian Institute of Plant Protection, Podbelskogo 3, St. Petersburg, Pushkin, Russia.E-mail: grichanov@hotbox.ru
Last updated: 6 May 2003 

Genus Argyra Macquart
See pictures here
Not included: loewi Kowarz, 1879
1. Antennal scape bare; face white (male) or greyish (female); mesonotum metallic green, with (male) or without (female) weak silvery white pollination; 4.0 ... vestita (Wiedemann)
Scape with several dorsal setulae ... 2

2. Males: hypopygium present ... 3

Females: hypopygium absent ... 14

3. Scutellum haired ... 4

Scutellum bare, without hairs ... 7

4. Mesonotum entirely covered with hairs in addition to setae; abdomen silvery pollinose, with yellow transparent spots laterally; 6.0-8.0 ... diaphana (Fabricius)

Only anterior part of mesonotum covered with hairs in addition to setae ... 5

5. Femora black; usually 2nd tergite of abdomen only with yellow lateral spot; 5.5 ... subarctica Ringdahl

Femora yellow; hind femur with black apex; usually 2nd and 3rd abdominal tergites with yellow spots laterally ... 6

6. Mesonotum and abdomen without silvery white pollination; antennal stylus shorter than antennomeres combined; frons greyish-white; face white; 6.0-7.0 ... magnicornis (Zetterstedt)

Mesonotum and abdomen metallic green, densely silvery white pollinose; antennal stylus longer than antennomeres combined; frons and face silvery-white; femora mostly yellow; 6.0-7.0 ... setimana Loew

7. Mesonotum silvery white pollinose (anterior view) ... 8

Mesonotum metallic brilliant, without silvery white pollination ... 11

8. Face and frons silvery white pollinose (anterior view) ... 9

Face and frons black (anterior view) ... 10

9. Antennal postpedicel twice longer (along lower margin) than high at base; antennal stylus shorter than antennomeres combined; femora yellow except for brownish apical part of hind femur; 5.0-5.5 ... argentina (Meigen)

Antennal postpedicel 1.5 times longer (along lower margin) than high at base; antennal stylus longer than antennomeres combined; femora usually dark; rarely femora yellow with apical part of hind femur blackish; 5.0-7.0 ... argyria (Meigen)

10. Antennal postpedicel 1.5 times longer than high at base; femora usually dark with anterior four femora yellow at apex; rarely femora yellow with apical part of hind femur blackish; (see above) ... argyria (Meigen)

Antennal postpedicel not longer than high; femora yellow; fore femur in basal half and hind femur in distal half black; 6.0-8.0.Fig. 12 ... leucocephala (Meigen)

11. Frons and face white or greyish-white (anterior view) ... 12

Frons and face black (anterior view) ... 13

12. Hind basitarsus longer than next segment of tarsus; abdominal segment VIII without strong setae; abdomen metallic green, brilliant, with weak silvery-white pollination laterally; 2nd and 3rd tergites with yellow lateral spots; femora and tibiae yellow; hind femur and hind tibia at apex darkened; 6.0.Fig. 11 ... spoliata Kowarz

Hind basitarsus equal to or shorter than next segment of tarsus; 8th abdominal segment with strong setae; abdomen metallic green; 2nd to 4th tergites usually with yellow lateral spots; femora and tibiae yellow; hind femur at apex darkened; 4.5-5.0 ... elongata (Zetterstedt)

13. Hind basitarsus with one long ventral seta at base; anterior four femora yellow; hind femur black in apical part; at least 2nd tergite with yellow spot laterally; 5.0 ... ilonae Gosseries

Hind basitarsus without ventral seta; all femora black; abdomen metallic green; 5.0 ... auricollis (Meigen)

14. Scutellum haired ... 15

Scutellum bare, without hairs ... 16

15. Mesonotum entirely covered with hairs in addition to setae ... diaphana (Fabricius)

Only anterior part of mesonotum covered with hairs in addition to setae ...magnicornis (Zetterstedt) and setimana Loew

16. Antenna longer than head; R1 shortened; antennal pedicel haired dorsally ... elongata (Zetterstedt)

Antenna as long as or shorter than head; R1 joining costa at approximately middistance between humeral transversal vein and apex of R2+3; pedicel bare dorsally ... 17

17. Hind basitarsus longer than next segment of tarsus ... 18

Hind basitarsus at most equal to next segment of tarsus ... 19

18. Hind coxa entirely black ... auricollis (Meigen)

Hind coxa more or less yellow ... ilonae Gosseries

19. Hind coxa yellow at apex ... argentina (Meigen)

Hind coxa entirely black ... 20

20. Lower calypter with black to brown cilia ... leucocephala (Meigen)

Lower calypter with brownish to yellow cilia ... argyria (Meigen)


Dolichopodidae Homepage