J.  Sorvari, Haatanen, M. - K., and Vesterlund, S. - R., ?Combined effects of overwintering temperature and habitat degradation on the survival of boreal wood ant?,  Journal of Insect Conservation , vol. 15, pp. 727?731, 2011.

S. - R.  Vesterlund, ?Bumblebees in a Changing Climate: Evaluating the Effects of Temperature on Queen Performance.?, Annales Universitatis Turkuensis A II, vol. 301, 2015.

S. - R.  Vesterlund and Sorvari, J., ?Longevity of starved bumblebee queens (Hymenoptera: Apidae) is shorter at high than low temperatures.?, European Journal of Entomology, vol. 111, pp. 217?220, 2014.

S. - R.  Vesterlund, Kakko, M., Vasemägi, A., and Sorvari, J., ? Status and monitoring of the buff-tailed bumblebee Bombus terrestris in Southern Finland?, Entomologica Fennica, vol. 25, pp.  49?56, 2014.

S. - R.  Vesterlund, illey, T. M., Van Ooik, T., and Sorvari, J., ?The effect of overwintering temperature on the body energy reserves and phenoloxidase activity of bumblebee Bombus lucorum queens.?, Insectes Sociaux, vol. 61, pp. 265?272, 2014.

S. - R.  Vesterlund, Sorvari, J., and Vasemägi, A., ?Molecular identification of cryptic bumblebee species from degraded samples using PCR-RFLP approach?, Molecular Ecology Resources, vol. 14, pp. 122?126, 2014.