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 October 20, 2008. Retrieved 17 August 2009.
web.archive.org
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 October 20, 2008. Retrieved 17 August 2009.
worldcat.org
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Van Steenis, Jeroen; Lucas, Jan A.W. (December 2011). "Revision of the West Palaearctic species Pipizella Rondani, 1856 (Diptera, Syrphidae)". Dipterists Digest (Print). Second Series. 18 (2). Dipterists Forum: 127–180. ISSN0953-7260.
