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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Tribe Cercerini

Eucerceris? - Eucerceris provancheri another wasp - Cerceris blakei - male Cerceris? - Cerceris arelate - female mason / potter wasp - Cerceris fumipennis - female wasp - Cerceris sextoides Cerceris? - Cerceris halone - female Small Black Wasp - Cerceris Philanthus gibbosus - Cerceris insolita
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)
No Taxon (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Philanthinae
Tribe Cercerini
Numbers
2 genera in the tribe, with ~110 spp. in our area(1) and >900 spp. worldwide (of which 870 Cerceris spp.)(2)
Identification
The two genera in Cercerini can be distinguished by the venation of their forewings. In Eucerceris the outer vein of the third submarginal cell meets the marginal cell near its (the marginal cell's) tip; in Cerceris, it meets the marginal cell closer to its center (per Matthias Buck). Compare the examples below:

Euerceris:


Cerceris:
Food
nests provisioned with beetles (Chrysomelidae, Buprestidae, Curculionidae)