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Species Promachus bastardii

Robber Fly - Promachus? - Promachus bastardii Unknown Robber Fly - P. bastardii? - Promachus bastardii - female Looka like a fly to me... - Promachus bastardii Mating Robbers - Promachus bastardii giant robberfly - Promachus bastardii Asilidae species? - Promachus bastardii Need Help to ID this Bug - Promachus bastardii Robberfly - Promachus bastardii - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Asilidae (Robber Flies)
Subfamily Asilinae
Genus Promachus (Giant Robber Flies)
Species bastardii (Promachus bastardii)
Other Common Names
False Bee-Killer
Size
Circa 20-30 mm
Identification
Similar to P. fitchii. Males have distinctive white tip on abdomen and white bands on thorax. See Internet references.
Range
Includes eastern, southeastern and south-central United States. Reported from Kansas, Texas, Arkansas, North Carolina, Michigan.
Habitat
Fields, open areas, with flowers
Season
June-July (North Carolina)
Food
Predatory, especially on hymenoptera
Life Cycle
Eggs presumably deposited in soil near grass roots. Larvae predatory, pupate in unlined cells in soil. This is based on information for P. fitchii. (1)
Print References
Milne, p. 661--description (1)
Salsbury, p. 397--description (2)
Brimley, p. 340, lists P. bastardii and P. rufipes for North Carolina. (3)
Internet References
North Carolina State University Entomology--17 pinned (only P. bastardii and P. rufipes are listed for the state).
Works Cited
1.National Audubon Society Field Guide to Insects and Spiders
Lorus and Margery Milne. 1980. Knopf.
2.Insects in Kansas
Glenn A. Salsbury and Stephan C. White. 2000. Kansas Dept. of Agriculture.
3.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.