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Cold hardiness in the pre‐imaginal stages of the great web‐spinning pine‐sawfly Acantholyda posticalis |
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| Authors: | Kaljo Voolma Külli Hiiesaar Ingrid H. Williams Angela Ploomi Katrin Jõgar | |
| Affiliation: | 1. Estonian University of Life Sciences, Institute of Forestry and Rural Engineering, Tartu, Estonia;2. Estonian University of Life Sciences, Institute of Agricultural and Environmental Sciences, Tartu, Estonia | |
| Abstract: | ||
| Keywords: | climate change defoliating insects Estonia mass outbreak overwintering Pinus sylvestris supercooling points | |