The Sphecius genus has been classified by some as being in the Crabronidae (Crabronid Wasps, Cicadakillers, Sand Wasps, Mud Daubers) family and by others in the Sphecidae (Thread-waisted Wasps) family.
Sphecius
cicada killers
Species of the Sphecius genus in the Wild Florida Photo database:
The genus Sphecius is a member of the Crabronidae - Crabronid Wasps, Cicadakillers, Sand Wasps, Mud Daubers family.
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Sphecius speciosus