@article {434,
	title = {The Palearctic [ibid.] species of the genus Orthoneura Macq. (Diptera, Syrphidae)},
	journal = {Entomological Review},
	volume = {XXXIII},
	year = {1953},
	pages = {1-21},
	type = {manuscript copy},
	keywords = {Diptera, Key to species, Orthoneura, Palaearctic, Syrphidae},
	author = {Stackelberg, A.A.}
}
