- Siitonen, J., P. Martikainen, L. Kaila, I. Mannerkoski, P. Rassi, and I. Rutanen. 1996. New faunistic records of threatened saproxylic Coleoptera, Diptera, Heteroptera, Homoptera and Lepidoptera from the Republic of Karelia, Russia. Entomologica Fennica 769-76.
- Martikainen, P., J. Siitonen, L. Kaila, and P. Punttila. 1996. Intensity of forest management and bark beetles in non-epidemic conditions: a comparison between Finnish and Russian Karelia . Journal of Applied Entomology 120:257-264.
- Martikainen, P., J. Siitonen, L. Kaila, P. Punttila, and J. Rauh. 1999. Bark beetles (Coleoptera, Scolytidae) and associated beetles species in mature managed and old-growth boreal forests in southern Finland . Forest Ecology and Management 116:233-245.
- Valkama, H., P. Martikainen, and M. Räty. 1997. First record of North American ambrosia beetle Gnathotrichus materiarius (Fitch) (Coleoptera, Scolytidae) in Finland — a new potential forest pest? . Entomologica Fennica 8:193-195.