Couplet 10.
Mandibles, seen from in front, forming a beak, the outer margin of one of them more or less straight. (Very small species, not more than 2-5 mm. with the marginalis always at least as long as its distance from the basalis; half the apical circumference of the scape more or less raised to form a rim or flange, each extremity of which forms an angular projection))
future couplets
Propodeum very short, its medial ke... ...
Synacra Foerster
Propodeum normal and with a long me... ...
Rhynchopsilus
Eyes not polished, more distinctly ... ...
Opazon Haliday
Mandibles not forming a beak
future couplets
Notaulices slightly divergent poste... ...
Cinetus Jurine
Notaulices evenly convergent, their... ...
Leptorhaptus Foerster
Pronotum with a more or less distin... ...
Belyta Jurine
Pronotum without an epomia; pronotu... ...
Acropiesta Foerster
Marginalis longer than its distance... ...
Pantolyta Foerster
Petiole fully 4 times as long as it... ...
Miota Foerster
Epomia sharply defined and extendin... ...
Aclista Foerster
Epomia represented at most by a sho... ...
Acropiesta Foerster
Dorsal areas of propodeum with at l... ...
Diphora Foerster
Dorsal areas of the propodeum witho... ...
Pantoclis
Half the apical circumference of th... ...
Acanosema Kieffer
Radialis virtually absent or showin... ...
Psilomma Foerster
Radialis better developed, either s... ...
Zygota Foerster