- Limited dispersal and an unexpected aggression pattern in a native supercolonial ant(2021-02-25) Hakala, Sanja; Ittonen, Mats; Seppä, Perttu; Helanterä, Heikki; University of Helsinki - Hakala, Sanja; Stockholm University - Ittonen, Mats; University of Helsinki - Seppä, Perttu; University of Oulu - Helanterä, Heikki