Baroni Urbani, C.; Collingwood, C. A. 1977. The zoogeography of ants (Hymenoptera, Formicidae) in northern Europe. Acta Zoologica Fennica 152:1-34.
PDF
|
Berman, D. I.; Zhigulskaya, Z. A. 1995. Cold-resistance of the ants of the north-west and north-east of the Palaearctic region. Acta Zoologica Fennica 199:73-80.
|