- Forsse, E. 1987. Flight duration of Ips typographus L.: insensitivity to nematode infection. Journal of Applied Entomology 104: 326-328.
- Forsse, E. 1989. Migration in bark beetles with special reference to the spruce bark beetle Ips typographus. Published dissertation, Sveriges Lantbruksuniversitet, Uppsala.
- Forsse, E., and C. Solbreck. 1985. Migration in the bark beetle Ips typographus L.: duration, timing and height of flight. Journal of Applied Entomology 100: 47-57.
- Forsse, E. 1991. Flight propensity and diapause incidence in five populations of the bark beetle Ips typographus in Scandinavia . Entomología Experimentalis et Applicata 61:53-57.