@article {976,
	title = {Prosopis vallei n. sp. (Hym., Apidae), neu f{\"u}r Finnland.},
	journal = {Annales Entomologici Fennici},
	volume = {13},
	year = {1937},
	pages = {78-86},
	author = {Niemel{\"a}, P.}
}
