@article {558,
	title = {A revision of the Palearctic species of hover flies of the genus <i>Scaeva </i>Fabricius, 180 (Diptera, Syrphidae)},
	journal = {Entomological Review},
	volume = {54},
	number = {1},
	year = {1975},
	month = {Jan-Mar},
	keywords = {Key to species, Palaearctic, Revision, Scaeva, Syrphidae},
	author = {Violovitsh, N.A.}
}
@article {560,
	title = {Identification key of Xanthogramma},
	journal = {(Russian)},
	year = {1975},
	pages = {92-99},
	keywords = {Key to species, Syrphidae, Xanthogramma},
	author = {Violovitsh, N.A.}
}
@article {559,
	title = {A review of the Palearctic species of the genus Chrysotoxum Mg. (Diptera, Syrphidae)},
	journal = {Entomological Review},
	year = {1975},
	pages = {140-153},
	keywords = {Chrysotoxum, Key to species, Syrphidae},
	author = {Violovitsh, N.A.}
}
