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Genus Chalybion

Velvet Blue Mud Dauber - Chalybion californicum Blue Mud Wasp - Chalybion californicum Blue Mud Dauber - Chalybion californicum - female Wasp - Chalybion californicum Mud Dubber nests - Chalybion californicum Blue mud dauber wasp - Chalybion californicum blue bug? fly? spider killer? - Chalybion californicum Wasp ID Request - Chalybion californicum
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 Sphecidae (Thread-waisted Wasps)
Genus Chalybion
Numbers
Nearctica.com lists two North American species, C. californicus and C. zimmermanni.
Internet References
North Carolina State University Entomology Collection lists from that state: C. californicus (101 pinned) and C. zimmermanni (4 pinned).