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BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

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

National Moth Week 2020 photos of insects and people.

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

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

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Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

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TaxonomyBrowse
Info
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Genus Sphex

Wasp - Sphex nudus - male Great Black Wasp - Sphex pensylvanicus Thread-waisted Wasps Sphex pensylvanicus - Great Black Wasp Aug.  - Sphex pensylvanicus Wasp sp? - Sphex jamaicensis Sphex ichneumoneus Fast moving Wasp-like insect on golden rod - Sphex ichneumoneus Andrena prima? - Sphex ichneumoneus Wasp - Sphex pensylvanicus
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 Sphecidae (Thread-waisted Wasps)
Subfamily Sphecinae
Tribe Sphecini
Genus Sphex
Synonyms and other taxonomic changes
Although the name is masculine, Linnaeus treated it as feminine, and many workers followed
Explanation of Names
Sphex Linnaeus 1758
Greek σφηξ, the ancient name of a kind of wasp
Numbers
12 spp. in 2 subgenera (Fernaldia with just 1 sp.) in our area(1), ~120 spp. worldwide(2); 9 spp. in e. US(3)
Size
Up to 28 mm
Range
worldwide and throughout NA(4)
Life Cycle
Prey on katydids, Tettigoniidae, utilizing one species per wasp species. Nest is built in ground, somewhat gregarious.