@article {383,
	title = {Revision of the Pteronidea ribesii (Scopoli) species group (Hymenoptera, Tenthredinidae).},
	journal = {Annales Entomologici Fennici},
	volume = {46},
	year = {1980},
	pages = {25-38},
	keywords = {Symphyta, Tenthredinidae},
	author = {Viitasaari, M.}
}
