Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Genus Crossocerus

wasp - Crossocerus Crabronid? - Crossocerus Crabronid? - Crossocerus Crossocerus? - Crossocerus - female Crabronidae Crossocerus nitidiventris - Crossocerus nitidiventris Little Hymenopteran ID Request - Crossocerus Black and yellow - Crossocerus nitidiventris dead houseguest - Crossocerus elongatulus - female
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 (traditional Sphecidae))
Family Crabronidae (Square-headed Wasps, Sand Wasps, and Allies)
Subfamily Crabroninae (Square-headed Wasps)
Tribe Crabronini
Subtribe Crabronina
Genus Crossocerus
Synonyms and other taxonomic changes
New World fauna revised in (1)
Explanation of Names
Crossocerus Lepeletier de Saint Fargeau & Brullé 1835
40 spp. in our area(2), ~250 worldwide(3)
Distinguishing from similar genera (Crabro, Ectemnius, Lestica)(4):
Ocelli form an equilateral triangle
Orbital foveae absent