@article {1116,
	title = {Discoelius dufourii Lepeletier (Hymenoptera, Eumenidae) in eastern Fennoscandia.},
	journal = {Notulae Entomologicae},
	volume = {66},
	year = {1986},
	pages = {45{\textendash}48},
	author = {Perki{\"o}m{\"a}ki, J. and Pekkarinen, A.}
}
@article {1110,
	title = {Ancistrocerus gazella (Panzer) {\textendash}erakkoampiainen(Hymenoptera, Eumenidae) l{\"o}ydetty Suomelle uutena Ahvenanmaalta},
	journal = {Notulae Entomologicae},
	volume = {67},
	year = {1987},
	pages = {207},
	author = {Pekkarinen, A. and Perki{\"o}m{\"a}ki, J.}
}
@article {1109,
	title = {Laajentavatko Bombus subterraneus ja B. sylvarum (Hymenoptera, Apidae) edelleen esiintymisaluettaan Suomessa? },
	journal = {Notulae Entomologicae},
	volume = {64},
	year = {1984},
	pages = {196},
	author = {Pekkarinen, A. and Perki{\"o}m{\"a}ki, J.}
}
@article {1096,
	title = { Species of the genera Odynerus, Gymnomerus, Stenodynerus, Euodynerus and Pterocheilus (Hymenoptera, Eumenidae) in eastern Fennoscandia},
	journal = {Notulae Entomologicae},
	volume = {68},
	year = {1988},
	pages = {135-140},
	author = {Pekkarinen, A.}
}
@article {1093,
	title = {Eumenes species in eastern Fennoscandia (Hymenoptera, Eumenidae)},
	journal = {Notulae Entomologicae},
	volume = {62},
	year = {1982},
	pages = {43{\textendash}50},
	author = {Pekkarinen, A.}
}
@article {58,
	title = {Observations on Bombus humilis (Hymenoptera, Apidae) in Finland},
	journal = {Notulae Entomologicae},
	volume = {67},
	year = {1987},
	pages = {28-29},
	keywords = {Aculeata, Apidae, Bombus, Bombus humilis},
	author = {Pekkarinen, A. and Ter{\"a}s, I.}
}
@article {57,
	title = {Melanism in Bombus veteranus and B. soroeensis (Hymenoptera: Apidae) in southern Finland.},
	journal = {Notulae Entomologicae},
	volume = {66},
	year = {1986},
	pages = {49-53},
	keywords = {Aculeata, Apidae, Bombus, Bombus soroeensis, Bombus veteranus},
	author = {Pekkarinen, A. and Ter{\"a}s, I.}
}
@article {51,
	title = {Distribution of bumble-bees (Hymenoptera, Apidae: Bombus and Psithyrus) in Eastern Fennoscandia.},
	journal = {Notulae Entomologicae},
	volume = {61},
	year = {1981},
	pages = {71-89},
	keywords = {Aculeata, Apidae, Bombus, pdf},
	author = {Pekkarinen, A. and Ter{\"a}s, I. and Viramo, J. and Paatela, J.}
}
