@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.}
}
@article {1232,
	title = {Descriptions of Alaskan Diptera of the Family Syrphidae},
	journal = {The Ohio Journal of Science},
	volume = {22},
	year = {1922},
	pages = {143-148},
	keywords = {Dasysyrphus, Dasysyrphus limatus (Hine)},
	url = {http://hdl.handle.net/1811/2168},
	author = {Hine, J.S.}
}
@article {144,
	title = {Contribution to a Monograph of the American Syrphidae from North of Mexico},
	journal = {Bulletin of the University of Kansas - Science Bulletin},
	volume = {XV},
	number = {No. 1},
	year = {1925},
	month = {December 1924},
	pages = {1-283},
	keywords = {Dasysyrphus, Dasysyrphus osburni (Curran), key to genus, Key to species, Nearctic, Syrphidae},
	author = {Curran, C. Howard}
}
@book {587,
	title = {The flower flies of the subfamily Syrphinae of Canada, Alaska and Greenland},
	series = {The Insects and Arachnids of Canada},
	volume = {18},
	year = {1992},
	pages = {456},
	publisher = {Canada Communications Group - Publishing},
	organization = {Canada Communications Group - Publishing},
	address = {Ottawa},
	keywords = {Arthropods, biology \& distribution, Chrysotoxum, Dasysyrphus, Diptera, Insects, Invertebrates, keys, Keys to selected taxa, LIFE CYCLE AND DEVELOPMENT, LWI insect inventory, NEARCTIC REGION, NEOTROPICAL REGION, review, Syrphidae, Syrphinae},
	author = {Vockeroth, J.R.}
}
