@article {540,
	title = {Two new Palaearctic Syrphidae (Diptera)},
	journal = {Entomologica Scandinavica},
	volume = {13},
	number = {4},
	year = {1982},
	pages = {441-444},
	address = {Copenhagen},
	keywords = {Arthropods, Brachyopa obscura, Dipterans/True Flies, Insects, Invertebrates, Leningrad region, New species, Orthonevra stackelbergi, RUSSIAN SFSR, Syrphidae},
	author = {Thompson, F. Christian and Torp, Ernst}
}
