H.  Johansson, Seppä, P., Helanterä, H., Trontti, K., and Sundström, L., ?Weak population structure in the ant Formica fusca?, PeerJ, vol. 6, p. e5024, 2018.

S. M.  Hakala, Seppä, P., Heikkilä, M., Punttila, P., Sorvari, J., and Helanterä, H., ?Genetic analysis reveals Finnish Formica fennica populations do not form a separate genetic entity from F. exsecta.?, PeerJ, vol. 6, p. e6013, 2018.

J. I.  Wolf, Punttila, P., and Seppä, P., ?Life-history trait variation in a size-dimorphic ant. ?, Ecological Entomology, p. published online, 2018.