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TaxonomyBrowse
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Species Sphecius grandis - Western Cicada Killer

A clearer image of one of the cicada killers - Sphecius grandis - male A clearer image of one of the cicada killers - Sphecius grandis - male Western/Pacific Cicada Killer Wasp - Sphecius grandis Sphecius grandis - female Cicada Killer (Sphecius Grandis) - Sphecius grandis Cicada Killer (Sphecius Grandis) - Sphecius grandis Oregon Hornet - Sphecius grandis Oregon Hornet - Sphecius grandis
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 Bembicinae
Tribe Bembicini (Sand Wasps)
Subtribe Spheciina
Genus Sphecius (Cicada Killers)
Species grandis (Western Cicada Killer)
Synonyms and other taxonomic changes
Sphecius grandis (Say)
Orig. Comb: Stizus grandis Say 1823
Numbers
4 spp. n. of Mex.
Identification
Punctation density in the middle of T1 and T2 is approximately equal in S. grandis see photo:

(noticeably less dense on T2 compared to T1 in S. convallis).
Antennal segments II-IV are curved ventrally (at the tyloids/ sensory organs) in S. grandis, the segments looking more bead-like:

In S. convallis antennal segments II-IV are not curved ventrally, and are tube-like.

Please see the key (internet link below) for complete information. (HW)
Range
Western U.S. (CA-TX-NE-WA) / s. to C. Amer.
Food
Adults feed on nectar. Females hunt cicadas to provision their offspring.
Print References
Holliday, C.W., and J.R. Coelho. 2006. Improved Key to New World Species of Sphecius (Hymenoptera: Crabronidae) - internet version; the complete paper (Ann. Entomol. Soc. Am. 99(5):793-798) can be downloaded as PDF from that site. (HW)