1 (4) Tarsal groove of protibia "S"-shaped.
2 (3) Head porrect, horizontal in repose. .......................... Hololeptini
3 (2) Head vertical in repose. ............................. Platysomatini
4 (1) Tarsal groove of protibia straight.
5 (6) Anterior margin of mesosternum bisinuate, with a more or less distinct median projection which fits into basal margin of prosternum. .................... Exosternini
6 (5) Anterior margin of mesosternum straight, truncate or
emarginate, not bisinuate. ................................................
Histerini