• Range expansion of the small spruce bark beetle Ips amitinus: a newcomer in northern Europe 

      Økland, Bjørn; Flø, Daniel; Schroeder, Martin; Zach, Peter; Cocos, Dragos; Martikainen, Petri; Siitonen, Juha; Mandelshtam, Michail Y.; Musolin, Dmitry L.; Neuvonen, Seppo; Vakula, Jozef; Nikolov, Christo; Lindelöw, Åke; Voolma, Kaljo (Journal article; Peer reviewed, 2019)
      1 Ips amitinus arrived in Northern Europe at the beginning of 1900s, although its recent expansions to the northernmost conifers have been rapid. 2 Analyses of recent records, MaxEnt models and regional population size ...