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Fall Fund Drive


Species Sphex nudus - Katydid Wasp

Insect ID? - Sphex nudus Katydid Wasp? - Sphex nudus Unknown Black Wasp - Sphex nudus Katydid Wasp - Sphex nudus - female ? Polistes - Sphex nudus Orange-legged clear-winged wasp - Sphex nudus Why do wasps preen themselves so much? - Sphex nudus katydid wasp? Sphex nudus - Sphex nudus - male
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
Species nudus (Katydid Wasp)
Explanation of Names
Author of species is Fernald, 1903.
circa 20-25 mm
A dark Sphex with silvery pubescence on thorax and distinctive tan legs.
Southeastern United States. California Academy of Sciences (Internet references) lists records from Texas, Tennessee, Illinois, Maryland, North Carolina. See also BugGuide records under the Data tab--records from as far north as IL and NY.
July-August (North Carolina)
Visits flowers
Life Cycle
Provisions nest with katydids and gryllacridids.

One of the wasp's chief hosts is Camptonotus carolinensis.
See Also
Sphex flavovestita also has tan legs.
Print References
Brimley, p. 444, lists as Chlorion nudum from coastal plain and mountains of North Carolina (1).
Internet References
North Carolina State University Entomology Collection lists for that state, with 22 pinned.
Works Cited
1.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.