1.
Males: hypopygium present ... 2
–
Females: hypopygium absent ... 4
2.
Fore tibia with strongly developed long biapicate anteroventral tooth at
basal third; 3.9-6.0. Figs.
181, 183, 185... notatus(Fabricius)
–
Fore tibia with simple pointed tooth at basal third ... 3
3.
Postpedicel elongate-triangular, 2 times longer than high at base, pointed
at apex; fore tibia at apex without lobe-like process; mesonotum mostly
shining black; 3.8. Fig.
179
... dolichocerusGerstäcker
–
Postpedicel suboval or irregularly triangular, not more than 1.5 times
longer than high, with rounded apex; fore
tibia at apex with large lobe-like process; mesonotum mostly densely pollinose,
without metallic shining; 3.7-6.0. Figs.
180, 182, 185... spinimanus(Zetterstedt)
4.
Mesonotum mostly metallic shining ... dolichocerusGerstäcker
–Mesonotum
mostly grey or brownish densely pollinose ... 5
5.
Wing long, with m-cu positioned distinctly behind apex of abdomen;
wing slightly darkened in distal half; M1+2 with strongly pronounced
brown round spot at curvation ... notatus(Fabricius)
–
Wing moderately long, with m-cu positioned at level of apex of abdomen;
wing mostly dark brown; M1+2 without strongly pronounced brown
round spot at curvation ... spinimanus(Zetterstedt)