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Family Scoliidae - Scoliid Wasps

Scoliid Wasp - Pygodasis ephippium - female another unknown scoliid - Scolia mexicana - female  Double-banded Scoliid - Scolia bicincta Wasp ? - Dielis plumipes - male Perhaps a Cuckoo Bee (Nomada ruficorni)? - Colpa octomaculata Vespid queen? - male Hairy wasp ? - Scolia nobilitata - male wasp 10418 - Scolia dubia
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)
Superfamily Scolioidea
Family Scoliidae (Scoliid Wasps)
Other Common Names
Flower Wasps, Mammoth Wasps, Scarab Hawks, Scarab Hunters
Pronunciation
sco-LEE-ih-dee
Explanation of Names
Scoliidae Latreille 1802
See Scolia
Numbers
~20 spp. in 5 genera in our area(1) (Campsomeriella annulata and Micromeriella marginella modesta were introduced to control the Japanese beetle but did not become established); 560 spp. in >140 genera total(2)
Size
20-50 mm
Identification
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

Another way to the tell sex in most scoliids is the flagellum length : head width ratio.
(>3 in males, <3 in females)
Range
worldwide; in NA, most diverse in the south
Habitat
Fields, meadows, lawns
Season
Summer
Food
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(4)
See Also
Male Mutillidae (wings not wrinkled), Tiphiidae, Thynnidae
Print References
(5)(6)(7)
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Order Hymenoptera. In: Zhang Z-Q (ed) Animal biodiversity: An outline of higher-level classif. and survey of taxonomic richness
Aguiar AP, Deans AR, Engel MS, Forshage M, Huber JT, Jennings JT, Johnson NF, Lelej AS, Longino JT, Lohrmann V, Mikó I, Ohl M. 2013. Zootaxa 3703: 51–62.
3.University of Florida: Featured Creatures
4.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.
5.The Scoliidae of California
Hurd P.D. 1952. Bull. Calif. Insect Survey 1(6): 141-152.
6.Scoliid Wasps of the Southwestern United States
MacKay W.P. 1987. Southwestern Naturalist 32(3): 357-362.
7.Scoliidae (Hymenoptera) of the Lower Río Grande Valley.
Porter, C.C. 1981. The Florida Entomologist 64(3): 441-453.