M.  De Meyer, Berghe, E. Vanden, and Whittington, A. E., ?Zoogeography and Biodiversity of Syrphidae (Diptera) in East Africa?, Journal of East African Natural History, vol. 86, pp. 43-50, 1997.

M.  De Meyer, ?Biogeography, Diversity and Seasonality of Syrphidae (Diptera) in a Guineo-Congolian Rain Forest in Kenya?, Journal of East African Natural History, vol. 90, pp. 87-101, 2001.