Couplet 20.
History
[1] Fourth antennal segment never modified; a sexual mod...
[2] Mandibles of ordinary form, short and only slightly ...
[6] Scutellum posteriorly with at most a single, short, ...
[10] Mandibles not forming a beak
[13] Marginalis rarely as long as this and then the radia...
[15] Propodeal keel simple
[17] Radial cell completely closed at apex
[18] Marginalis rarely even equal to its distance from th...
[19] Petiole at most about two and a half times...
[1] Fourth antennal segment never modified; a sexual mod...
[2] Mandibles of ordinary form, short and only slightly ...
[6] Scutellum posteriorly with at most a single, short, ...
[10] Mandibles not forming a beak
[13] Marginalis rarely as long as this and then the radia...
[15] Propodeal keel simple
[17] Radial cell completely closed at apex
[18] Marginalis rarely even equal to its distance from th...
[19] Petiole at most about two and a half times...
marginalis as long or nearly as long as its distance from the basalis and obviously longer than the stigmalis; petiole at least one and a half times longer than its apical width
future couplets
Epomia sharply defined and extendin... ...
Aclista Foerster
Epomia represented at most by a sho... ...
Acropiesta Foerster
marginalis much shorter than its distance from the basalis and not longer than the stigmalis; petiole rarely as much as one and a half times as long as its posterior width. (epomia present or absent; at most a feeble cleft between the antennal sockets; these without a distinct raised rim)
future couplets
Dorsal areas of propodeum with at l... ...
Diphora Foerster
Dorsal areas of the propodeum witho... ...
Pantoclis