@book {2919,
	title = {Caroli a Linne, Systema naturae per regna tria naturae, secundum classes, ordines, genera, species; cum caracteribus, differentiis, synonymis, locis. Editio decima tertia, aucta, reformata [= Ed. 13.] Vol. 1: Regnum Animale, Pt 5},
	volume = {1},
	year = {1790},
	pages = {2225-3020},
	publisher = {G.E. Beer},
	organization = {G.E. Beer},
	edition = {13},
	address = {Lipsiae [= Leipzig]},
	url = {http://books.google.com/books?id=5dc4AAAAMAAJ\&oe=UTF-8},
	author = {Gmelin, J. F.}
}
@book {969,
	title = {Aussereuropaische zweiflugelige Insekten. Als Fortsetzung des Meigenschen Werkes},
	year = {1830},
	pages = {xii + 684 pp., 5 pls.},
	address = {Hamm : Schulzische Buchhandlung},
	url = {http://www.biodiversitylibrary.org/bibliography/14603},
	author = {Wiedemann, C.R.W.}
}
@article {2922,
	title = {Review of the American xylotine syrphid-flies},
	journal = {Proceedings of the United States National Museum},
	volume = {69},
	year = {1926},
	pages = {1-52},
	url = {http://si-pddr.si.edu/dspace/bitstream/10088/15651/1/USNMP-69_2635_1926.pdf},
	author = {Shannon, R.C.}
}
@article {493,
	title = {Review of the genus <i>Sterphus</i> Philippi (Diptera: Syrphidae). Part I},
	journal = {Entomologica Americana},
	volume = {46},
	number = {2},
	year = {1973},
	pages = {185-240},
	keywords = {Sterphus, Sterphus (Ceriogaster), Sterphus (Ceriogaster) arethusa (Hull), Sterphus (Ceriogaster) rudis (Hull), Sterphus (Ceriogaster) spinosa (Shannon), Sterphus (Crepidomyia), Sterphus (Crepidomyia) coarctatus (Wiedemann), Sterphus (Crepidomyia) jamaicensis (Gmelin), Sterphus (Mutillimyia), Sterphus (Mutillimyia) auricaudatus (Williston), Sterphus (Sterphus), Sterphus (Sterphus) aurifrons Shannon, Sterphus (Telus), Sterphus (Telus) telus Thompson, Syrphidae, Xylotina},
	author = {Thompson, F. Christian}
}
@article {251,
	title = {Classification of Xylotini (Diptera, Syrphidae)},
	journal = {Acta Zoologica Fennica},
	volume = {156},
	year = {1978},
	pages = {1-153},
	keywords = {Arthropods},
	author = {Hippa, H.}
}
