@article {2412,
	title = {[Sawfly species Cladius difformis Panz. and Cl. comari Stein added as good species again to fauna of Finland]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {120, ref. 125},
	author = {Kontuniemi, T.}
}
@article {2411,
	title = {[Sawfly Blennocampa elongatula Klug new to Finland]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {120, ref. 125},
	author = {Kontuniemi, T.}
}
@article {2410,
	title = {Zur Kenntnis des Lebenszyklus der S{\"a}gewespen (Hymenoptera, Symphyta) in Finnland},
	journal = {Acta Entomologica Fennica},
	volume = {9},
	year = {1951},
	author = {Kontuniemi, T.}
}
@article {2409,
	title = {[Three species of the sawfly genus Athalia new to Finland: Athalia cordatoides (Priesner) Kont., A. longifoliae n. sp. and Dentathalia galericulatae n. sp.]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {38, ref. 40},
	author = {Kontuniemi, T.}
}
@article {2408,
	title = {[Male of the sawfly Pristiphora testacea Jur. from Hattula]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = { 36, ref. 40},
	author = {Kontuniemi, T.}
}
@article {2407,
	title = {[Wood wasp Xanthosirex tardigradus Cederhielm 1798 to fauna of Finland]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {35, ref. 39},
	author = {Kontuniemi, T.}
}
@article {2406,
	title = {[Sawflies Pteronidea papillosa Thms. and Pt. zaddachi (Ensl.) Kont., distinct species new to fauna of Finland]},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {34, ref. 38},
	author = {Kontuniemi, T.}
}
@article {2223,
	title = {Neue pal{\"a}arktische Nematinen (Hym., Tenthr.) II},
	journal = {Notulae Entomologicae},
	volume = {31},
	year = {1951},
	pages = {106-109},
	author = {H{\'e}llen, W.}
}
@article {2184,
	title = {{\"U}ber ein n{\"o}rdliches Vorkommen der Farnblattwespe Blasticotoma filiceti Klug},
	journal = {Entomologisk Tidskrift},
	volume = {72},
	year = {1951},
	pages = {81-82},
	author = {Francke-Grosmann, H.}
}
@article {1480,
	title = { Zur Ichneumonidenfauna Finnlands (Hym.) VII},
	journal = {Notulae Entomologicae},
	volume = {31},
	year = {1951},
	pages = {92-106},
	author = {H{\'e}llen, W.}
}
@article {1479,
	title = {Alomyia pygmaea Heinr. neu f{\"u}r Finnland.},
	journal = {Notulae Entomologicae},
	volume = {31},
	year = {1951},
	pages = {56},
	author = {H{\'e}llen, W.}
}
@article {1468,
	title = {Neue Ichneumoniden aus Ostfennoscandien. I},
	journal = {Notulae Entomologicae},
	volume = {31},
	year = {1951},
	pages = {25-31},
	author = {H{\'e}llen, W.}
}
@article {1303,
	title = {Mehil{\"a}isen sukupuolenm{\"a}{\"a}r{\"a}ytymisest{\"a}},
	journal = {Luonnon Tutkija},
	volume = {55},
	year = {1951},
	pages = {130-131},
	author = {Suomalainen, E.}
}
@article {1280,
	title = {Er{\"a}s pisti{\"a}isten kasvatusmenetelm{\"a}.},
	journal = {Annales Entomologici Fennici},
	volume = {17},
	year = {1951},
	pages = {85-88},
	author = {Valkeila, E.}
}
@article {742,
	title = {Die Gattung Prosopis Fabr. (Hym. Apidae) in Finnland.},
	journal = {Notulae Entomologicae},
	volume = {31},
	year = {1951},
	pages = {67{\textendash}92},
	author = {Elfving, R.}
}
