R. D.  Akre, Sehlke, G., and Zack, R. S., ?Chemical mimicry by Microdon larvae (Diptera: Syrphidae)?, Washington State Entomological Society Proceedings, vol. 47, pp. 754-755, 1985.

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