@article {308,
	title = {Western hemisphere <i>Sphaerophoria</i>},
	journal = {Miscellaneous Publications of the Entomological Society of Ontario},
	volume = {9},
	number = {1},
	year = {1973},
	note = {pages and title uncertain (only partly photocopied), author name incomplete},
	pages = {5-13},
	keywords = {key, Sphaerophoria, Syrphidae},
	author = {Knutson, L.V.}
}
