Couplet 26.
History
[1] Macropterous species
[7] Notaulices distinct throughout (except in _Synacra_;...
[8] Mandibles not forming a beak, the outer side of one ...
[12] Scutellum normally without any kind of sculpture pos...
[17] Mandibles of the ordinary form, short and only sligh...
[21] Segment 1 of flagellum of normal appearance and neve...
[22] If the marginalis is as long as distance from the ba...
[24] Marginalis rarely nearly equal to its distance from ...
[25] Pronotum rarely with a hollow on each side...
[1] Macropterous species
[7] Notaulices distinct throughout (except in _Synacra_;...
[8] Mandibles not forming a beak, the outer side of one ...
[12] Scutellum normally without any kind of sculpture pos...
[17] Mandibles of the ordinary form, short and only sligh...
[21] Segment 1 of flagellum of normal appearance and neve...
[22] If the marginalis is as long as distance from the ba...
[24] Marginalis rarely nearly equal to its distance from ...
[25] Pronotum rarely with a hollow on each side...
Epomia at least sufficiently well developed to form a sharp, evenly continuous, ridge-like barrier between the impressed side of the pronotum and the pronotal collar
future couplets
Medial keel of the propodeum forked... ...
Belyta Jurine
Radial cell open at apex, the radia... ...
Zygota Foerster
Petiole at most one and a thirds ti... ...
Pantoclis
Pronotum elongate, without a vertic... ...
Belyta Jurine
Pronotum not elongate, with a more ... ...
Aclista Foerster
Gaster remarkably modified, showing... ...
Miota Foerster
Epomia absent so that the surface of the side of the pronotum is continuous with that of the pronotal collar or at least there is an apparent break beneath a prominent angular pronotal shoulder and the eyes are bare
future couplets
Marginalis at least two-thirds as l... ...
Acropiesta Foerster
Marginalis at most one-third as lon... ...
Pantoclis
Radial cell widely open, the radial... ...
Psilomma Foerster