KEYS TO SWEDISH GENERA AND SPECIES OF DOLICHOPODIDAE
by
I.Ya. Grichanov
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)