Saaristo, M. I. 1990. New provincial records for twelve ant species (Hymenoptera, Formicidae) from Finland. Entomologica Fennica 1:191-192.
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Seifert, B. 1992a. Formica nigricans Emery, 1909 - an ecomorph of Formica pratensis Retzius, 1783 (Hymenoptera, Formicidae). Entomologica Fennica 2:217-226.
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Albrecht, A. 1993. Formica cunicularia Latreille (Hymenoptera, Formicidae) new to Finland. Entomologica Fennica 4:13.
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Saaristo, M. I. 1995. Distribution maps of the outdoor myrmicid ants (Hymenoptera, Formicidae) of Finland, with notes on their taxonomy and ecology. Entomologica Fennica 6:153-162.
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Radchenko, A. G.; Elmes, G. W.; Savolainen, R. 2008. Myrmica xavieri sp. n., a new ant species (Hymenoptera: Formicidae) from Spain. Entomologica Fennica 19:49-54.
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