Data from: A pioneering pest: the winter moth (Operophtera brumata) is expanding its outbreak range into low-arctic shrub tundra

Ole Petter Laksforsmo Vindstad, Jane Uhd Jepsen, Helge Molvig & Rolf Anker Ims
Climate warming allows generalist boreal consumers to expand into arctic ecosystems. We present experimental and observational field data showing that a generalist boreal insect pest – the winter moth (Operophtera brumata Linnaeus, 1758) – is expanding its outbreak range out of the northern-boreal mountain birch forest in northeast Fennoscandia and into the adjacent low-artic shrub tundra. This is the first documented example of an outbreaking boreal insect pest expanding into a tundra ecosystem. The expansion...
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