@article {34,
	title = {R{\"o}dbent mulmblomfluga Chalcosyrphus valgus och dess dubbelg{\r a}ngare (Diptera, Syrphidae)},
	journal = { Fauna \& Flora},
	volume = { 105},
	year = {2010},
	chapter = {2},
	url = {http://xa.yimg.com/kq/groups/3357665/1879934038/name/Chalcosyrphus.pdf},
	author = {Bartsch, Hans and St{\r a}hls, Gunilla and Kerppola, Sakari}
}
