@article {602,
	title = {Synopsis of the North American Syrphidae},
	journal = {Bulletin of the United States National Museum},
	volume = {31},
	year = {1886},
	note = {actual date 1887},
	pages = {i-xxx, 1-335},
	keywords = {Syrphidae},
	author = {Williston, S.W.}
}
