The Diapriidae

Inner wallls of antennal sockets prodcued dorsally as flanges (Fig. 286); mesosoma rugose-punctate (Fig. 283); petiole rugose-punctate, carinae absent; mesoscutal-mesoscutellars sutre absent; anterior margin of T2 straight

Inner walls of antennal sockets not produced dorsally as flanges (Fig. 150); mesosoma not extensively rugose-punctate; petiole with longitudinal carinae; mesosocutal-mesoscutellar suture present; anterior margin of T2 excavate (Fig. 36)