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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Family Sapygidae - Sapygid Wasps

Sapyga angustata (Sapygidae) - Sapyga angustata - female Sapyga angustata? - Sapyga angustata Sapyga angustata? - Sapyga angustata Black & White Sapygid Wasp - Krombeinopyga pumila Little Wasp Little Wasp Wasp Wasp 9259 & 9267 & 9270
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)
Superfamily Pompiloidea (Spider Wasps, Velvet Ants and allies)
Family Sapygidae (Sapygid Wasps)
Other Common Names
Club-horned Wasps
19 spp. in our area(1)
10-15 mm(1)
Usually black spotted or banded with yellow, eyes deeply notched. Short legs. Differ from Myzininae (Tiphiidae) in being smaller and in lacking mesosternal lobes. Differ from Mutillidae in having the body bare.
key to genera in(2)
Larvae are parasites or cleptoparasites of other aculeate larvae, esp. of leaf-cutting bees that nest in hollow twigs(1).
Widely distributed group; rather uncommon.
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.A new Nearctic genus of Sapygidae with a key to the Nearctic and Palaearctic genera (Hymenoptera, Sapygidae)
Kurzenko N.V. 1996. Memoirs of the entomological Society of Washington 17: 89-94.