129a:
Fore coxal cavity broadly open (by more than half width of
coxa); labium with 2 palpomeres; abdominal process truncate;
pygidium and last ventrite longer than preceding 4 combined
Smicrpidaep. 430
129
b:
Fore coxal
cavity closed or narrowly open by less than half width of
coxa; labium with 3 palpomeres or nonarticulated; abdominal
process acute to broadly rounded or absent; pygidium
variable