@article {2703,
	title = {Aggregation behaviour of Meloe violaceus Marsham larvae, a field observation (Coleoptera, Meloidae)},
	journal = {Sahlbergia},
	volume = {8},
	year = {2003},
	pages = {79-81},
	author = {P{\"a}ivinen, J. and Mattila, J.}
}
@article {2433,
	title = {K{\"a}rh{\"o}jen lehti{\"a} popsivat pisti{\"a}iset jo Suomessa [Sawfly larvae eat leaves of Clematis already in Finland]},
	journal = {K{\"a}rh{\"o}lehti {\textendash} Klematisklubben},
	volume = {1/2003},
	year = {2003},
	pages = {6-8},
	author = {L{\"o}fgren, T. and Kalska, E. and Sandstedt, E.}
}
@article {2425,
	title = {Hirsipuupisti{\"a}inen Uroceros fantoma (Fabiricus) l{\"o}ytynyt uudelleen [A new record of the siricid wasp Urocerus fantoma (Fabricius) (Hymenoptera, Siricidae)]},
	journal = {Sahlbergia},
	volume = {7},
	year = {2003},
	pages = {103-104},
	author = {Mannerkoski, I.}
}
@article {2341,
	title = {The Sawfly fauna of Nilsi{\"a} and Juankoski (Eastern Finland) (Hymenoptera, Symphyta)},
	journal = {Sahlbergia},
	volume = {8},
	year = {2003},
	pages = {11-19},
	author = {Nuorteva, J. and Nuorteva, M.}
}
@article {2335,
	title = {Taxonomic status of Sterictiphora sorbi Kontuniemi (Hymenoptera: Argidae)},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {173-176},
	author = {Nuorteva, M. and Nuorteva, J.}
}
@article {2187,
	title = {Katalog over svenska Chalcidoidea (Catalogue of Swedish Chalcidoidea).},
	journal = {Entomologisk Tidskrift},
	volume = {124},
	year = {2003},
	pages = {73-133},
	author = {Hedqvist, K.-J.}
}
@article {1912,
	title = {Taxonomy of the species of Eupontania crassipes- and aquilonis-groups (Hymenoptera: Tenthredinidae: Nematinae).},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {129-172},
	author = {Vikberg, V.}
}
@article {1391,
	title = {Sympatric speciation through interspecific social parasitism.},
	journal = {Proc. National. Acad. Sci. USA},
	volume = {100},
	year = {2003},
	pages = {7169-7174},
	author = {Savolainen, R. and Veps{\"a}l{\"a}inen, K.}
}
@article {1364,
	title = {Tapinoma melanocephalum (Fabricius 1793), asunnoissa pesiv{\"a} muurahainen {\textendash} uusia havaintoja Suomessa.},
	journal = {Sahlbergia},
	volume = {8},
	year = {2003},
	pages = {20},
	author = {Sorvari, J.}
}
@article {1329,
	title = {Inbreeding and sex-biased gene flow in the ant Formica exsecta.},
	journal = {Evolution},
	volume = { 57},
	year = {2003},
	pages = {1552-1561},
	author = {Sundstr{\"o}m, L. and Keller, L. and Chapuisat, M.}
}
@book {1298,
	title = {Suomen mesipisti{\"a}iset ja niiden uhanalaisuus},
	year = {2003},
	pages = {420},
	publisher = {Tremex Press Oy},
	organization = {Tremex Press Oy},
	address = {Helsinki},
	author = {S{\"o}derman, G. and Leinonen, R.}
}
@article {1287,
	title = {Characterisation of polymorphic microsatellite loci for the ant Plagiolepis pygmaea},
	journal = {Molecular Ecology},
	volume = {3},
	year = {2003},
	pages = { 575-577},
	author = {Trontti, K. and Tay, W. T. and Sundstr{\"o}m, L.}
}
@article {1286,
	title = { Polymorphic microsatellite markers for the ant Plagiolepis pygmaea.},
	journal = {Molecular Ecology Notes},
	volume = {3},
	year = {2003},
	pages = {575-577},
	author = {Trontti, K. and Tay, W. T. and Sundstr{\"o}m, L.}
}
@article {1112,
	title = {Distribution and co-existence of the Macropis species and their cleptoparasite Epeoloides coecutiens (Fabr.) in NW Europe (Hymenoptera: Apoidea, Melittidae and Apidae)},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {53-59},
	author = {Pekkarinen, A. and Berg, {\O}. and Calabuig, I. and Janzon, L.-{\r A}. and Luig, J.}
}
@article {1022,
	title = { Highly variable social organization of colonies in the ant Formica cinerea},
	journal = {Heredita},
	volume = {139},
	year = {2003},
	pages = {7-12},
	author = {Zhu, D. and Chapuisat, M. and Pamilo, P.}
}
@article {895,
	title = {Reproductive sharing among queens in the ant Formica fusca},
	journal = {Behavioral Ecology},
	volume = {14},
	year = {2003},
	pages = {870-875},
	author = {Hannonen, M. and Sundstr{\"o}m, L.}
}
@article {894,
	title = {Worker nepotism in a polygynous ant},
	journal = {Nature},
	volume = {421},
	year = {2003},
	pages = {910},
	author = {Hannonen, M. and Sundstr{\"o}m, L.}
}
@article {888,
	title = {Genetic structure in an isolated and fragmented population of the ant Formica lugubris},
	journal = {Molecular Ecology},
	volume = {12},
	year = {2003},
	pages = {2931-2940},
	author = {Gyllenstrand, N. and Sepp{\"a}, P.}
}
@article {851,
	title = { Informational constraints on optimal sex allocation in ants.},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {100},
	year = {2003},
	pages = { 8799-8804},
	author = {Boomsma, J. J. and Nielsen, J. and Sundstr{\"o}m, L. and Oldham, N.J. and Tentschert, J. and Petersen, H.C. and Morgan, E.D.}
}
@article {336,
	title = {Phaenocarpa ungulosetosa spec. nov. from Finland and Elasmosoma depressum spec. nov. from Estonia (Hymenoptera: Braconidae: Alysiini; Euphorinae: Neoneurini).},
	journal = {Zoologische Mededelingen Leiden},
	volume = {77},
	year = {2003},
	pages = {291-299},
	keywords = {Alysiinae, Braconidae, Elasmosoma, Elasmosoma depressum, Euphorinae, Parasitica, Phaenocarpa, Phaenocarpa ungulosetosa},
	author = {Achterberg, C. van and Koponen, M.}
}
@article {335,
	title = {Platygastridae from the Canary Islands and Madeira (Hymenoptera, Platygastroidea) .},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {105-108},
	keywords = {Parasitica, Platygastridae},
	url = {http://www.entomologicafennica.org/Volume14/EF_14_2/4Buhl.pdf},
	author = {Buhl, P. N. and Koponen, M.}
}
@article {334,
	title = {New records of Platygastridae (Hymenoptera: Platygastroidea) from Finland.},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {98-104},
	keywords = {Parasitica, Platygastridae},
	url = {http://www.entomologicafennica.org/Volume14/EF_14_2/3Buhl.pdf},
	author = {Buhl, P. N. and Koponen, M.}
}
@mastersthesis {275,
	title = {Population biology of periodic Xestia moths.},
	volume = {Academic dissertation},
	year = {2003},
	keywords = {Ichneumonidae, Parasitica},
	url = {http://ethesis.helsinki.fi/julkaisut/mat/ekolo/vk/varkonyi/},
	author = {V{\'a}rkonyi, G.}
}
@article {213,
	title = {A new genus and six new species of the tropical Campotypus genus-group (Hymenoptera: Ichneumonidae; Pimplinae) from northern South America. },
	journal = {Zootaxa},
	volume = {197},
	year = {2003},
	pages = {1-18},
	keywords = {Ichneumonidae, Parasitica, Pimplinae},
	author = {S{\"a}{\"a}ksj{\"a}rvi, I. E. and Palacio, E. and Gauld, I. D. and Jussila, R. and Salo, J.}
}
@article {212,
	title = {Synodites lineiger (Thomson, 1884) (Hymenoptera, Ichneumonidae) new to Svalbard, with an updated list of ichneumonid species from  the archipelago. },
	journal = {Norwegian Journal of Entomology},
	volume = {50},
	year = {2003},
	pages = {55-56},
	keywords = {Ctenopelmatine, Ichneumonidae, Parasitica, Synodites, Synodites lineiger},
	author = {Coulson, S. J. and Jussila, R. and Hodkinson, I. D. and Webb, N. R.}
}
@article {211,
	title = {Phylogenetic evaluation of the tropical Campotypus genus-group (Hymenoptera: Ichneumonidae), with a key to the word genera.},
	journal = {Journal of Natural History},
	year = {2003},
	pages = {24 pp.},
	keywords = {Ichneumonidae, Parasitica, Pimplinae},
	author = {S{\"a}{\"a}ksj{\"a}rvi, I. E. and Gauld, I. D. and Salo, J. and Jussila, R.}
}
@article {210,
	title = {Suomen loispisti{\"a}isluettelo (Hymenoptera, Parasitica). Osa 5. heimo Ichneumonidae, alaheimot Tersilochinae, Ophioninae, Anomaloninae, Paxylommatinae, Cremastinae ja Campopleginae.},
	journal = {Sahlbergia},
	volume = {8},
	year = {2003},
	pages = {27-48},
	keywords = {Anomaloninae, Campopleginae, Cremastinae, Ichneumonidae, Ophioninae, Parasitica, Paxylommatinae, Tersilochinae},
	author = {Koponen, M. and Jussila, R. and Vikberg, V.}
}
@article {209,
	title = { Scambus signatus (Pfeffer), Xorides minutus Cl{\'e}ment, X. praecatorius (Fabricius) and Lethades laricis Hinz new to the Finnish and Swedish faunas (Hymenoptera, Ichneumonidae).},
	journal = {Sahlbergia},
	volume = {8},
	year = {2003},
	pages = {21-23},
	keywords = {Ctenopelmatinae, Ichneumonidae, Lethades, Lethades laricis, Parasitica, Pimplinae, Scambus, Scambus signatus, Xorides, Xorides minutus, Xorides praecatorius, Xoridinae},
	author = {Jussila, R. and S{\"a}{\"a}ksj{\"a}rvi, I. E. and Halme, P. and Vihervaara, P.}
}
@article {208,
	title = {A new genus and six new species of the tropical Campotypus genus-group (Hymenoptera: Ichneumonidae; Pimplinae) from northern South America.},
	journal = {Zootaxa},
	volume = {197},
	year = {2003},
	pages = {1-18},
	keywords = {Ichneumonidae, Parasitica, Pimplinae},
	author = {S{\"a}{\"a}ksj{\"a}rvi, I. E. and Palacio, E. and Gauld, I. D. and Jussila, R. and Salo, J.}
}
