@article {1258,
	title = {Zur Lebensweise von Belomicrus borealis Fors. (Hym., Sphecidae)},
	journal = {Annales Entomologici Fennici},
	volume = {29},
	year = {1964},
	pages = {231-236},
	author = {Valkeila, E.}
}
@article {1257,
	title = {Nysson mimulus n. sp. (Hym., Sphecoidea) in Nord- und Mitteleuropa},
	journal = {Annales Entomologici Fennici},
	volume = {30},
	year = {1964},
	pages = {197-208},
	author = {Valkeila, E.}
}
