Brown birch trees in both Southcentral and Interior Alaska this summer aren’t signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the midst ...
Larvae of the leaf beetle Chrysomela lapponica attack two tree species: willow and birch. To fend off predator attacks, their larvae produce toxic butyric acid esters or salicylaldehyde, whose ...
When summer fades and fall emerges, lush green tree leaves give way to a variety of warm hues in foliage that mark the ...
Q: Am I the only one whose birch tree has suffered this winter? It bloomed beautifully, but now half of it is dead and has almost no leaves. Should I call an arborist? Can this tree be saved? A: This ...
Well into their senescence period, birch trees' leaves have turned yellow near the Alaska Public Media studios in Anchorage as of Oct. 1, 2021. (Casey Grove/Alaska Public Media) It's green-and-gold ...
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