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Species Pristepyris fraternus

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Chrysidoidea (Cuckoo Wasps and Allies)
Family Bethylidae (Flat Wasps)
Subfamily Pristocerinae
Genus Pristepyris
Species fraternus (Pristepyris fraternus)
Synonyms and other taxonomic changes
Pristocera (Acrepyris) fraterna Evans, 1963
Explanation of Names
Pristepyris fraternus Evans, 1963; comb. by Azevedo et al. (2018).(1)
Size
5.8 to 7.5 mm (2)
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 along the posterior margin, as well as a distinct aedeagus. (2)

Evans's (2) association of a female to this species was considered tentative.
Range
Florida to Maryland, also Louisiana & Kansas. (2)
Food
Probably Coleoptera larvae, and perhaps Elateridae larvae (as in P. armifera), but host association is unknown. (2)
Works Cited
1.Global guide of the flat wasps (Hymenoptera, Bethylidae)
Azevedo C. O., I. D. C. C. Alencar, M. S. Ramos, D. N. Barbosa, W. D. Colombo, J. M. R. Vargas, and J. Lim. 2018. Magnolia Press, Zootaxa.
2.The Bethylidae of America north of Mexico
Evans, H.E. 1978. Memoirs of the American Entomological Institute No. 27, 332 pp.