''Chlorion aerarium'', commonly known as the steel-blue cricket hunter, is a species of thread-waisted wasps in the family

Sphecidae The Sphecidae are a Cosmopolitan distribution, cosmopolitan family of wasps of the suborder Apocrita that includes Ammophilinae, sand wasps, mud daubers, and other thread-waisted wasps. The name Sphecidae was formerly given to a much larger g ...

.Sharkey M.J. (2007). ''Phylogeny and Classification of Hymenoptera''."Phylogenetic relationships among superfamilies of Hymenoptera", Sharkey M.J., Carpenter J.M., Vilhelmsen L., et al. 2012. ''Cladistics'' 28(1): 80-112. It is similar in shape and colour to the blue mud dauber species, ''

Chalybion californicum ''Chalybion californicum'', the common blue mud dauber of North America, is a metallic blue species of mud dauber wasp Species description, first described by Henri Louis Frédéric de Saussure in 1867. It is not normally aggressive towards human ...

'', which often overlaps in range.

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Further reading