| 1-1(2) | 1-2(1) | ||||
| Scopa of female, when present, forming a corbicula on posterior tibia | |
Large image | Scopa of female not forming a tibial corbicula, and scopa sometimes absent | |
Large image |
| Inner apical margin of posterior tibia of nonparasitic females (except in queens of Apini) with row of stiff bristles | |
Large image | Inner apical margins of posterior tibiae bare or hairy, without comb | |
Large image |
