P.  Punttila and Kilpeläinen, J., ?Distribution of mound-building ant species (Formica spp., Hymenoptera) in Finland: preliminary results of a national survey?, Annales Zoologici Fennici, vol. 46, pp. 1-15, 2009.

J.  Kilpeläinen, Punttila, P., Sundström, L., Niemelä, P., and Finér, L., ?Forest stand structure, site type and distribution of ant mounds in boreal forests in Finland in the 1950s?, Annales Zoologici Fennici, pp. 243-258, 2005.

P.  Punttila, Niemelä, P., and Karhu, K., ?The impact of wood ants (Hymenoptera: Formicidae) on the structure of invertebrate community on mountain birch (Betula pubescens ssp. czerepanovii)?, Annales Zoologici Fennici, vol. 41, pp. 429-446, 2004.

P.  Punttila, Haila, Y., Niemelä, J., and Pajunen, T., ?Ant communities in fragments of old-growth taiga and managed surroundings?, Annales Zoologici Fennici, vol. 31, pp. 131-144, 1991.