@article {2806,
	title = {Changes in ant assemblages across an arctic treeline},
	journal = {Revue d{\textquoteright}entomologie du Quebec},
	volume = {34},
	year = {1989},
	pages = {10-22},
	author = {Heatwole, H.}
}
@article {1392,
	title = {Ant assemblages in the taiga biome: Testing the role of territorial wood ants.},
	journal = {Oecologia},
	volume = {81},
	year = {1989},
	pages = {481},
	author = {Savolainen, R. and Veps{\"a}l{\"a}inen, K. and Wuorenrinne, H.}
}
@article {1390,
	title = {Niche differentiation of ant species within territories of the wood ant Formica polyctena},
	journal = {Oikos},
	volume = {56},
	year = {1989},
	pages = {3-16},
	author = {Savolainen, R. and Veps{\"a}l{\"a}inen, K.}
}
@article {1346,
	title = {Genetic relatedness and population structure in Formica truncorum. },
	journal = {Actes Coll. Insectes Sociaux},
	volume = {5},
	year = {1989},
	pages = {93-100},
	author = {Sundstr{\"o}m, L.}
}
@article {1119,
	title = {Competition hierarchies in ant communities (Hymenoptera, Formicidae)},
	journal = {Ann. Zool. (Warsaw)},
	volume = {42},
	year = {1989},
	pages = {321-329},
	author = {Pisarski, B. and Veps{\"a}l{\"a}inen, K.}
}
@article {1097,
	title = {The hornet (Vespa crabro L.) in Finland and its changing northern limit in northwestern Europe},
	journal = {Ent. Tidskr.},
	volume = {110},
	year = {1989},
	pages = {161-164},
	author = {Pekkarinen, A.}
}
@article {1058,
	title = {Estimating relatedness in social groups},
	journal = {Trends Ecol. Evol.},
	volume = {4},
	year = {1989},
	pages = {353-355},
	author = {Pamilo, P.}
}
@article {1053,
	title = { Effects of urban pressure on colonies of Formica rufa group (Hymenoptera, Formicidae) in the town of Espoo (Finland)},
	journal = {Annales Zoologici},
	volume = {42},
	year = {1989},
	pages = {335-344},
	author = {Wuorenrinne, H.}
}
@article {1024,
	title = {Levels of Fe, Al, Zn and Cd in Formica aquilonia, F. polyctena and Myrmica ruginodis (Hymenoptera, Formicidae) collected in the vicinity of spruces showing different degrees of needle-loss},
	journal = {Annales Entomologici Fennici},
	volume = {51},
	year = {1989},
	pages = {57-61},
	author = {Yl{\"a}-Mononen, L. and Salminen, P. and Wuorenrinne, H. and Tulisalo, E. and Nuorteva, P.}
}
@article {836,
	title = {Nests and nest sites of red wood ants (Hymenoptera, Formicidae) in Subarctic Finland.},
	journal = {Annales Entomologici Fennici},
	volume = {55},
	year = {1989},
	pages = {81-87},
	author = {Laine, K. J. and Niemel{\"a}, P.}
}
@mastersthesis {432,
	title = {Muurahaisyhteis{\"o}jen rakenne mets{\"a}n sukkessiomosaiikissa Pohjois-H{\"a}meess{\"a} [in Finnish; The structure of ant communities in forest succession mosaics in northern H{\"a}me, southern Finland]},
	volume = {M. Sc. thesis},
	year = {1989},
	pages = {99},
	keywords = {Aculeata, Formicidae},
	author = {Punttila, P.}
}
@article {369,
	title = { A contribution to the taxonomy of horntails with notes on the genus Sirex Linnaeus (Hymenoptera, Siricidae).},
	journal = {Annales Entomologici Fennici },
	volume = {55},
	year = {1989},
	pages = {103-110},
	keywords = {Sirex, Siricidae, Symphyta},
	author = {Viitasaari, M. and Mitgaard, F.}
}
@article {368,
	title = {Taxonomic notes on the genus Trichiosoma Leach (Hymenoptera, Cimbicidae) II},
	journal = {Annales Entomologici Fennici },
	volume = {55},
	year = {1989},
	pages = {111-129},
	keywords = {Cimbicidae, Symphyta, Trichiosoma},
	author = {Viitasaari, M.}
}
@article {312,
	title = {Lists of the insect types in the Zoological Museum, University of Helsinki. 13. Hymenoptera: Braconidae, excluding types of the taxa described by Wolter Hell{\'e}n.},
	journal = {Acta Entomologica Fennica},
	volume = {55},
	year = {1989},
	pages = {27-31},
	keywords = {Braconidae, Parasitica},
	author = {Koponen, M.}
}
@article {311,
	title = {Lists of the insect types in the Zoological Museum, University of Helsinki. 12. Hymenoptera: Braconidae described by Wolter Hell{\'e}n.},
	journal = {Acta entomologica Fennica},
	volume = {55},
	year = {1989},
	pages = {23-25},
	keywords = {Braconidae, Parasitica},
	author = {Koponen, M. and Tobias, V. I.}
}
@article {157,
	title = {Kakkuri, Oja \& Anttila: Auringonpimennykset (kirja-arvostelu). },
	journal = {Natura},
	volume = {27},
	year = {1989},
	pages = {29-30},
	keywords = {Luonto},
	author = {Jussila, R.}
}
@article {156,
	title = {Ichneumonological (Hymenoptera) reports from Finland V.},
	journal = {Notulae Entomologicae},
	volume = {69},
	year = {1989},
	pages = {75-80},
	keywords = {Ichneumonidae, Parasitica},
	author = {Jussila, R.}
}
@article {155,
	title = {Males and females of Delomerista strandi and Anoncus flavicaudatus (Hymenoptera, Ichneumonidae) found in Sweden.},
	journal = {Notulae Entomologicae},
	volume = {69},
	year = {1989},
	pages = {73-74},
	keywords = {Anoncus, Anoncus flavicaudatus, Ctenopelmatinae, Delomerista, Delomerista grandi, Ichneumonidae, Parasitica, Pimplinae},
	author = {Jussila, R.}
}
@article {154,
	title = {Teerikorpi \& Valtonen: Kosmos - maailmamme muuttuva kuva (kirja-arvostelu). },
	journal = {Natura},
	volume = {26},
	year = {1989},
	pages = {28-30},
	keywords = {Luonto},
	author = {Jussila, R.}
}
