by
I.Ya. Grichanov
4.
Fore tibia dorsally without a row of strong spines; 3rd and
4th segments of hind tarsus posteriorly with short erect cilia
of uniform length, not longer than width of tarsomeres; 2.25-2.75. Fig.
134
... aeneicoxa(Meigen)
–
Fore tibia dorsally, at least on apical half, with a row of short strong
black spines; hind tarsus with much longer cilia along whole length of
3rd segment and on basal third of 4th; 1.75-2.5. Fig.
136
... pulicarius(Fallén)
5.
Femora black on at least basal 3/4; 2.5 ... brevimanus Loew
–
At least mid and hind femora entirely or mainly yellow ... 2
2.
Fore coxa mainly, and fore femur largely, black; 1.75-2.5 ... pulicarius(Fallén)
–
Fore coxa at least mainly, and fore femur entirely, yellow ... 3
3.
Hind basitarsus distinctly longer than next segment; about 3 ... spiculatusGerstäcker
– Hind
basitarsus not longer than next segment;
2.25-2.75 ... aeneicoxa(Meigen)