@article {567,
	title = {A review of the Palearctic species of the genus Chrysotoxum Mg. (Diptera, Syrphidae)},
	journal = {Entomol. Obozrenie},
	volume = {53},
	year = {1974},
	pages = {196{\textendash}217},
	keywords = {Chrysotoxum, Key to species, Palaearctic, review, Syrphidae},
	author = {Violovitsh, N.A.}
}
@book {587,
	title = {The flower flies of the subfamily Syrphinae of Canada, Alaska and Greenland},
	series = {The Insects and Arachnids of Canada},
	volume = {18},
	year = {1992},
	pages = {456},
	publisher = {Canada Communications Group - Publishing},
	organization = {Canada Communications Group - Publishing},
	address = {Ottawa},
	keywords = {Arthropods, biology \& distribution, Chrysotoxum, Dasysyrphus, Diptera, Insects, Invertebrates, keys, Keys to selected taxa, LIFE CYCLE AND DEVELOPMENT, LWI insect inventory, NEARCTIC REGION, NEOTROPICAL REGION, review, Syrphidae, Syrphinae},
	author = {Vockeroth, J.R.}
}
