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Aim
A historically benign insect herbivore, Matsucoccus macrocicatrices, has recently been linked to dieback and mortality of eastern white pine (Pinus strobus L.). Previous reports indicated that its native range was restricted to New England, USA and southeastern Canada. Now, the insect occurs throughout an area extending from the putative native range, southward to Georgia, and westward to Wisconsin...
Eastern white pine (Pinus strobus L.) is a widespread conifer in eastern North America. A novel dieback phenomenon, as well as increasing global temperatures contributing to the contraction of suitable habitat, is threatening this species’ long-term persistence in the Southern Appalachian Mountains. This southern extent of its current range is where P. strobus is hypothesized to have survived in refugial...
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