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TaxonomyBrowse
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Species Crossocerus nitidiventris

Little wasp - Crossocerus nitidiventris Square-headed Wasp - Crossocerus nitidiventris - female Wasp - metacrabro? - Crossocerus nitidiventris - female Crabronidae Crossocerus nitidiventris  - Crossocerus nitidiventris Crabronidae Crossocerus nitidiventris  - Crossocerus nitidiventris Family Crabronidae Crossocerus nitidiventris - Crossocerus nitidiventris Family Crabronidae Crossocerus nitidiventris  - Crossocerus nitidiventris Family Crabronidae Crossocerus nitidiventris  - Crossocerus nitidiventris
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 Crabroninae (Square-headed Wasps)
Tribe Crabronini
Subtribe Crabronina (Squareheads)
Genus Crossocerus (Equilateral Squareheads)
No Taxon (subgenus Blepharipus)
Species nitidiventris (Crossocerus nitidiventris)
Identification
It is an unusual species in its genus because of the yellow markings on the abdomen (only present in one other species). What makes this this wasp distinctive is: yellow spots on smooth area of propodeum, yellow prepectus (that's the area just behind the pronotal lobe), rounded pronotal angles (excludes many other crabronines with similar markings), and yellow spots of similar size on terga 2-5.