@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}
}
@article {334,
	title = {Insectes Dipt{\`e}res du Nord de la France. Syrphies},
	journal = {M{\'e}moires de la Soci{\'e}t{\'e} royale des Sciences, de l{\textquoteright}Agriculture et des Arts, Lille},
	volume = {1829},
	year = {1829},
	pages = {1-227},
	keywords = {Eupeodes, Eupeodes (Metasyrphus), Eupeodes (Metasyrphus) latifasciatus (Macquart), Syrphidae},
	url = {http://www.biodiversitylibrary.org/bibliography/8146},
	author = {Macquart, J.}
}
