^Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN1-870393-54-6.
^Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 254. ISBN90-5011-199-8.
^Barkalov, A.V. "Syrphidae collection of Siberian Zoological Museum". Novosibirsk, Russia: the Institute of Animal Systematics and Ecology, Siberian Branch of the Russian Academy of Sciences. Archived from the original on 20 October 2008. Retrieved 28 July 2009.
^Thompson, C. F. (1968). The placement of the subgenus Protolepidostola Hull (Diptera: Syrphidae) with the description of two new species. Journal of the Kansas Entomological Society. 41, 270-277
^Marinoni, Luciane; Thompson, F. Christian (2003). "Flower flies of southeastern Brazil (Diptera: Syrphidae) Part I. Introduction and new species". Studia dipterologica. 10 (2): 565–578. ISSN0945-3954.