@article {200,
	title = {Neue oder ungen{\"u}gend bekannte Zweifl{\"u}gler der pal{\"a}arktischen Region aus meiner Sammlung},
	journal = {Folia zoologica et hydrobiologica},
	volume = {10},
	number = {1},
	year = {1940},
	pages = {214-226},
	keywords = {Dorylaidae, Dorylas caudatus, Dorylas obtusicornis, Dorylas strandi, New species, Pipunculidae, Syrphidae},
	author = {Duda, Oswald}
}
@article {275,
	title = {A study of syrphid flies from Madagascar (Diptera)},
	journal = {Proceedings of the Academy of Natural Sciences of Philadelphia},
	volume = {92},
	year = {1940},
	pages = {309-333},
	keywords = {Syrphidae},
	author = {Hull, Frank M.}
}
@article {177,
	title = {Some new Neotropical Syrphidae (Diptera)},
	journal = {American Museum Novitates},
	volume = {1086},
	year = {1940},
	pages = {1-14},
	keywords = {Ubristes, Ubristes (Hypselosyrphus), Ubristes (Hypselosyrphus) triangularis (Curran)},
	url = {http://digitallibrary.amnh.org/dspace/handle/2246/2238},
	author = {Curran, C.H.}
}
