Anterior margin of T2 entire, overlapping posterior extremity of petiole; T2 without a blunt anteromedian process (Fig. M96, M97, M132, M134, M136)
future couplets
Macropterous (Fig. 45) (p.52) (part) ...
Betyla
Gaster with 3 free tergites between... ...
Parabetyla
Gaster with fewer than 3 free tergi... ...
Betyla
Tegula and mesoscutal-mesoscutellar... ...
Parabetyla
Tegula and mesoscutal-mesoscutellar... ...
Zealaptera
Gaster with only 1 completely free ... ...
Betyla
Anterior margin of T2 emarginate, not overlapping posterior extremity of petiole; T2 with (Fig. M82, M85, M87) or without (Fig. M56, M84) a blunt anteromedian process
future couplets
Inner wall of antennal sockets not ... ...
Diphoropria
Inner wall of antennal sockets dors... ...
Maoripria