@article {1264,
	title = {Beitr{\"a}ge zur Kenntnis der nordeurop{\"a}ischen Raubwespen (Hym., Sphecidae)},
	journal = {Annales Entomologici Fennici},
	volume = {27},
	year = {1961},
	pages = {141-146},
	author = {Valkeila, E.}
}
@article {1263,
	title = { Tietoja Suomen myrkkypisti{\"a}isist{\"a} (Hym., Sphecoidea et Apoidea)},
	journal = {Annales Entomologici Fennici},
	volume = {21},
	year = {1961},
	pages = {147},
	author = {Valkeila, E.}
}
@article {1262,
	title = {Harvinainen Bombus ruderariuksen (M{\"u}ll.) v{\"a}rimuunnos l{\"o}ydetty Forssasta (Hym., Apoidea).},
	journal = {Lounais-H{\"a}meen Luonto},
	volume = {11},
	year = {1961},
	pages = {83-84},
	author = {Valkeila, E.}
}
