Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Family Scoliidae - Scoliid Wasps

Red spotted wasp - Scolia nobilitata Wasp - Scolia dubia Scollid Wasp - Campsomeris tolteca - male Wasp on Milkweed - Campsomeris pilipes Nectar feeding - Campsomeris plumipes Blue-winged Wasp - Scolia dubia - male Blue-winged Wasp - Scolia dubia Black wasp with a few yellow spots  - Scolia nobilitata
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 Scolioidea
Family Scoliidae (Scoliid Wasps)
Other Common Names
Flower Wasps, Mammoth Wasps, Scarab Hawks, Scarab Hunters
Explanation of Names
See Scolia
~20 spp. in 5 genera in our area(1)(2) (Campsomeriella annulata and Micromeriella marginella modesta were introduced to control the Japanese beetle but did not become established)
20-50 mm
Robust, hairy, medium-sized to large
Wings with longitudinal wrinkles towards the apex
Mesosternum and metasternum divided by a transverse suture
Hind coxae well-separated
in NA, most diverse in the south
Fields, meadows, lawns (searching for hosts).
Larvae are parasitoids of ground-dwelling scarab grubs, esp. Phyllophaga; adults take nectar
Life Cycle
Female digs down to the host grub, stings it, and lays an egg on the paralyzed grub(3)
See Also
Male Mutillidae (wings not wrinkled)
Internet References
An illustrated key to the nearctic genera of Scoliidae, and images and discussion of the 8 species occuring in Florida are presented in this "Creature Features" issue from the University of Florida.