@article {305,
	title = {Syrphidae von Madagaskar (Dipt.)},
	journal = {Verhandlungen der Naturforschenden Gesellschaft in Basal},
	volume = {81},
	year = {1971},
	pages = {223-318},
	keywords = {Eristalinae, Megodon, Megodon stuckenbergi Keiser, Microdon (Hovamicrodon), Microdon (Hovamicrodon) silvester Keiser, Microdontinae, Syrphidae, Syrphinae},
	author = {Keiser, Fred}
}
