KEYS TO SWEDISH GENERA AND SPECIES OF DOLICHOPODIDAE
by
I.Ya. Grichanov
3. Fore
basitarsus almost
twice as long as last four segments combined; face golden yellow;
cercus covered with relatively short hairs; the hairs approximately as
long as width of cercus; 5-5.5. Fig.
144
... insignis (Stannius)
– Fore
basitarsus about
equal in length to last four segments combined; face pale yellow or white
... 4
4.
Face pale yellow, low edge about level with lower eye-margin; cercus large
and triangular, with long strong bristles on outer face of disc; 5.0-6.0.
Fig. 147 ... ripicolaLoew
– Face
glistening white or silvery white ... 5
5.
Epandrial lobe in form of semicircular plate locating on long handle; cercus
1.5-2 times longer than wide; antennal pedicel black; midfemur yellow,
black at base; 5.0. Fig. 146... ammobates(Haliday)
–
Epandrial lobe usually hidden; cercus not longer than wide; pedicel yellow;
mid femur black in basal half ... 6
6.
Four distal segments of fore tarsus strongly dilated, with 4th
tarsomere nearly twice wider than long; cercus semicircular, with short
external hairs; hypandrium bearing small ventral hook; 4.5-5.5. Fig.
143
... consobrinusHaliday
–Four
distal segments of fore tarsus weakly dilated, with 4th tarsomere
being approximately as long as wide; cercus with long external hairs being
longer than width of cercus; cercus hardly 1.5 times wider than long; hypandrium
with moderately long toothlike lobe; 5.0. Fig.
142... ociorLoew
7.
Antennal scape and pedicel reddish yellow at least beneath
... 8
–
Pedicel entirely black ... 10
8.
Lower edge of clypeus not angular, about level with lower eye-margin; all
femora black except at apex
... notatus (Stannius)
–
Face extending well below lower eye-margin; clypeus triangular ... 9
9. Fore
and mid femora reddish yellow on apical fifth only ... ociorLoew
–
Fore femur reddish yellow on apical fourth, and mid femur on apical third
... consobrinusHaliday
4.
Proximal part of distal section of M1+2
(from m-cu to curvation) longer than apical part; scape usually
darkened dorsally ... ammobates (Haliday)
–
Proximal part of distal section of M1+2
(from m-cu to curvation) shorter than apical part; scape entirely
yellow ... 5
5.
Wing vein m-cu
infumated; mid femur with long ventral hairs developed from base to apex;
two humeral bristles about equal in length; fore tibia slightly shorter
than tarsus ... insignis (Stannius)
–Wing
vein m-cu
without dark limb; mid femur with long ventral hairs developed in basal
2/3 only; lower humeral bristle about 0.75 the length of upper; fore tibia
slightly longer than tarsus ... ripicola (Loew)