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Genus Crossocerus

wasp with parasitic eggs - Crossocerus Wasp ID Request - Crossocerus impressifrons Hymenoptera 04 - Crossocerus Square-headed Wasp - Crossocerus Square-headed Wasp - Crossocerus Square-headed Wasp - Crossocerus Another Tiny Wasp/Bee - Crossocerus Pemphredoninae? - Crossocerus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Bees, Ants, and other Stinging Wasps)
No Taxon (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Crabroninae (Square-headed Wasps)
Tribe Crabronini
Genus Crossocerus
Numbers
Nearctica lists 30 species.