Flat Wasps (Bethylidae) - 33 Species, Identification & Facts

Parasitic Grain Wasp

Cephalonomia waterstoni

Identification: Males are smaller and have longer antennae. It might be of value as a biocontrol.

Dissomphalus apertus

Identification: Redescription of both sexes and male genitalia illustrated in .

Dracunesia parapolita

Identification: Males: pronotal disc with a distinct transverse carina dorsally; mandibles with 5 teeth; abdomen petiolate; median lobe of clypeus roundly or roundly or somewhat angularly produced, extending well beyond lateral lobes; median lobe of

Pristepyris armiferus

Most common and widely distributed North American Pristepyris .

Pristepyris ater

Identification: Mandibles appearing rather straight, with teeth arranged distinctly in an oblique row ; at least the basal segments of the antennae appearing subserrate when viewed laterally ; aedaegus distinctly shaped, with boot-like apical dorsal

Pristepyris fraternus

Identification: Similar to P. armifera. Compared to P. armifera, females of this species have a comparatively longer head that is strongly polished & non-alutaceous, while males have longer setulae on antennal segment 11 and the pronotum depressed al