@article {338,
	title = {Dual mate-seeking strategies in male Syrphid flies (diptera: Syrphidea)},
	journal = {Annals of the Entomological Society of America},
	volume = {72},
	year = {1979},
	month = {January},
	pages = {54-61},
	keywords = {Stategies, Syrphidae},
	author = {Maier, Chris T. and Waldbauer, G. P.}
}
@article {565,
	title = {Identification key of Siberian species (Orthoneura)},
	journal = {(Russian)},
	year = {1979},
	pages = {49-56},
	keywords = {Key to species, Orthoneura, Orthonevra, Palaearctic, Syrphidae},
	author = {Violovitsh, N.A.}
}
@article {564,
	title = {Review of Palearctic species of the genus Helophilus Meigen, 1822 (Diptera, Syrphidae)},
	journal = {(Russian)},
	volume = {151},
	year = {1979},
	pages = {64-80},
	keywords = {Helophilus, Key to species, Palaearctic, Syrphidae},
	author = {Violovitsh, N.A.}
}
