@article {46,
	title = {A list of the North American Syrphidae},
	journal = {Bulletin of the Buffalo Society of Natural Sciences},
	volume = {3},
	year = {1875},
	month = {11/1875},
	pages = {38-71},
	keywords = {Megasyrphus, Megasyrphus laxus (Osten Sacken)},
	author = {Osten Sacken, C. R.}
}
@article {2179,
	title = {Dipteres nouveaux ou peu connus. 4 partie, V: Asilides exotiques nouveaux; 5 partie, VI: especes exotiques nouvelles des genres Sphixea (Rondani) et Volucella (auctorum); 5 partie, VII: especes nouvelles du genre Cyphomyia},
	journal = {Annales de la Soci{\'e}t{\'e} Entomologique de France},
	volume = {5},
	year = {1875},
	pages = {237-248; 469-482; 483-488.},
	keywords = {Copestylum, Copestylum (Megametopon), Copestylum (Megametopon) amethystinum (Bigot), Copestylum (Phalacromyia) varians (Bigot)},
	url = {http://www.biodiversitylibrary.org/bibliography/8188},
	author = {Bigot, J. M. F.}
}
@article {1231,
	title = {On the North American species of the genus Syrphus (in the narrowest sense)},
	journal = {Proceedings of the Boston Society of Natural History},
	volume = {18},
	year = {1875},
	pages = {135-153},
	keywords = {Dasysyrphus, Dasysyrphus amalopis (Osten Sacken)},
	author = {Osten Sacken, C. R.}
}
