The Diapriidae

Distal margin of forewing sharply incised (Fig. 73); anterior margin of T2 incised (Fig. 73); gaster with 6 visible tergites (including minute apical tergite, see Figs 29, 30); collar with transverse carina; M+Cu1 and basalis strongly sclerotized

Distal margin of forewing rounded (Figs 85, 288); or emarginate (Fig. 237); anterior margin of T2 straight (Fig. 288), weakly produced (Figs 333, 334) or excavate (Fig. 85); gaster with 5 visible tergites (including minute apical tergite, see Figs 31, 32); collar without transverse carina; M+Cu1 and basalis at most indicated by coloration, never sclerotized