@article {1105,
	title = {Distribution and phenology of the Ancistrocerus and Symmorphus species in eastern Fennoscandia (Hymenoptera, Eumenidae)},
	journal = {Entomologica Fennica},
	volume = {2},
	year = {1991},
	pages = {179-189},
	author = {Pekkarinen, A. and Huld{\'e}n, L.}
}
