@book {1479,
	title = {List of the specimens of dipterous insects in the collection of the British Museum},
	series = {List of the specimens of dipterous insects in the collection of the British Museum},
	year = {1849},
	pages = {Part II, [iii]+231-484. [1849.04.21]; Part III: [iii]+485-687. [1849.06.30]; Part IV. Pp. [3] + 689-1172 + [2] [1849.12.08]},
	publisher = {British Museum (Natural History)},
	organization = {British Museum (Natural History)},
	address = {London},
	url = {http://www.biodiversitylibrary.org/bibliography/20821},
	author = {Walker, F.}
}
@inbook {1103,
	title = {Diptera Americae septentrionalis indigena. Description H. Loew.},
	booktitle = {Diptera Americae septentrionalis indigena},
	volume = {Centuria quinta},
	year = {1864},
	pages = {49-104},
	publisher = {Berliner entomologische Zeitschrift},
	organization = {Berliner entomologische Zeitschrift},
	chapter = {8},
	address = {Berolini, typis A.W. Schadii},
	url = {http://www.biodiversitylibrary.org/bibliography/9606},
	author = {Loew, H.}
}
@inbook {1244,
	title = {Diptera Americae septentrionalis indigena. Description H. Loew.},
	booktitle = {Diptera Americae septentrionalis indigena},
	volume = {Centuria quarta},
	year = {1863},
	pages = {275-326},
	publisher = {Berliner Entomologische Zeitschrift},
	organization = {Berliner Entomologische Zeitschrift},
	chapter = {7},
	address = {Berolini, typis A.W. Schadii},
	url = {http://www.biodiversitylibrary.org/bibliography/9606 ; http://www.biodiversitylibrary.org/bibliography/46202},
	author = {Loew, H.}
}
@article {438,
	title = {A concise survey of the Palaearctic species of the genus Spilomyia M.G. (Diptera, Syrphidae)},
	journal = {Entomological Review},
	volume = {37},
	year = {1958},
	pages = {758-768},
	keywords = {Key to species, Palaearctic, Spilomyia, survey},
	author = {Stackelberg, A.A.}
}
@article {518,
	title = {Keys to Nearctic Syrphidae (Diptera)},
	year = {1991},
	pages = {88},
	address = {unpublished keys},
	author = {Thompson, F. C.}
}
@article {519,
	title = {<i>Spilomyia</i> flower flies of the New World (Diptera: Syrphidae)},
	journal = {Memoirs of the Entomological Society of Washington},
	volume = {18},
	year = {1996},
	pages = {261-272},
	keywords = {Arthropods, checklists, COSTA RICA, Dipterans/True Flies, Insects, Invertebrates, NEARCTIC REGION, NEOTROPICAL REGION, New species, New World, San Gerardo de Dota, San Jose, species list, Spilomyia, Syrphidae, Systematics \& checklist Spilomyia wirthi},
	author = {Thompson, F. Christian}
}
