@article {53,
	title = {A review of the South American two-winged flies of the family Syrphidae},
	journal = {Proceedings of the United States National Museum},
	volume = {70},
	year = {1927},
	pages = {1-34},
	keywords = {Allograpta (Claraplumula), Allograpta (Claraplumula) latifacies (Shannon), Ocyptamus, Ocyptamus (Calostigma), Ocyptamus (Calostigma) elnora (Shannon), Ubristes, Ubristes (Hypselosyrphus), Ubristes (Hypselosyrphus) scutellaris (Shannon), Ubristes (Stipomorpha), Ubristes (Stipomorpha) fraudator (Shannon), Valdiviomyia, Valdiviomyia ruficauda (Shannon)},
	url = {http://biostor.org/cache/pdf/32/17/14/321714884df0533b044aaf89ccecc054.pdf},
	author = {Shannon, R.C.}
}
@article {937,
	title = {Some undescribed syrphid flies},
	journal = {Proceedings of the New England Zo{\"o}logical Club},
	volume = {23},
	year = {1945},
	month = {06/1945},
	pages = {71-78},
	author = {Hull, Frank M.}
}
@article {562,
	title = {Microdon},
	journal = {(Russian)},
	year = {1976},
	pages = {156-161},
	keywords = {Key to species, Microdon, Syrphidae},
	author = {Violovitsh, N.A.}
}
@article {129,
	title = {A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China},
	journal = {Zootaxa},
	volume = {1879},
	year = {2008},
	pages = {21-48},
	author = {Cheng, Xin-Yue and Thompson, F. Christian}
}
