@inbook {1291,
	title = {Dipterologis Scandinaviae. Sect. 3: Diptera},
	booktitle = {Insecta Lapponica},
	year = {1838},
	pages = {477-868},
	address = {Lipsiae [= Leipzig]},
	url = {http://www.biodiversitylibrary.org/bibliography/8242},
	author = {Zetterstedt, J. W.}
}
@article {2444,
	title = {Neue pal{\"a}arktische Cheilosia-Arten (Diptera: Syrphidae)},
	journal = {Beitrage zur Entomologie},
	volume = {13},
	year = {1963},
	pages = {513-522},
	author = {Stackelberg, A.A.}
}
@article {93,
	title = {Subgeneric Classification of the Genus Cheilosia Meigen, 1822 (Diptera, Syrphidae)},
	journal = {Entomological Review},
	volume = {82},
	number = {5},
	year = {2002},
	pages = {518-531},
	keywords = {classification, taxonomy},
	author = {Barkalov, A.V.}
}
