@article {2181,
	title = {Descriptions of North American dipterous insects},
	journal = {Journal of the Academy of Natural Sciences of Philadelphia},
	volume = {6},
	year = {1829},
	pages = {149-178, 183-188},
	keywords = {Copestylum, Copestylum (Copestylum), Copestylum (Copestylum) marginatum (Say)},
	url = {http://www.biodiversitylibrary.org/bibliography/34362},
	author = {Say, T}
}
