@article {436,
	title = {Genus Neoascia Will.},
	year = {1955},
	keywords = {Key to species, Neoascia, Syrphidae},
	author = {Stackelberg, A.A.}
}
@article {437,
	title = {Keys to Palaearctic Syrphidae (Diptera) for Genera Sphegina, Zelima, Penthesilea, and Neoascia},
	year = {1956},
	pages = {29},
	address = {unpublished keys},
	keywords = {Diptera, Key to species, Neoascia, Palaearctic, Penthesilea, Sphegina, Syrphidae, Zelima},
	author = {Stackelberg, A.A.}
}
