↑ Stubbs, Alan E. and Falk, Steven J. (1983). British Hoverflies: An Illustrated Identification Guide. British Entomological & Natural History Society. p. 253, xvpp.{{cite book}}: Папярэджанні CS1: розныя назвы: authors list (спасылка)
↑ Van Veen, MP (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae. Utrecht: NNV Publishing. p. 254. ISBN9050111998. {{cite book}}: |format= патрабуе |url= (даведка)
