G. S.  Paulson, ?Scanning electron microscope studies of Microdon spp. (Diptera: Syrphidae) morphology?, Washington State Entomological Society Proceedings, vol. 51, pp. 894-895, 1990.

B.  Barr, ?Feeding behaviour and mouthpart structure of larvae of Microdon eggeri and Microdon mutabilis (Diptera, Syrphidae)?, Dipterists Digest Second Series, vol. 2, pp. 31-36, 1995.

J. K.  Barnes, Lavers, N., and Raney, H., ?Robber flies (Diptera: Asilidae) of Arkansas, U.S.A.: Notes and a checklist?, Entomological News, vol. 118, pp. 241-258, 2007.