References
[1] McAlpine, J.F. (1981): Morphology and terminology - Adults. - In: McAlpine, J.P. et al. (eds.): Manuel of Nearctic Diptera, vol. 1; p. 9-63 - Ottawa: Research Branch, Agriculture Canada, Monograph 27.
[2] Theodor, O. (1980): Fauna Palaestina - Insecta II - Diptera: Asilidae; 446 pp. - Jerusalem: The Israel Academy of Science and Humantities.
[3] Hull, F.M. (1962): Robber flies of the world, 2 volumes; 907 pp. - Washington: Bulletin of the United States National Museum 224 (1,2).
[4]Crampton, G.C. (1942): Guide to the insects of Connecticut. Part IV. The Diptera, or true flies of Connecticut. The external morphology of the Diptera. - Bulletin of the Connecticut Geological and Natural History Survey 64: 10-165; Hartford.