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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.
Walter Reeves explains why a river birch tree might be shedding lots of leaves and why a crape myrtle tree might be send up suckers.
The dropping of brown leaves is most likely due to the tree being too dry, considering the current growing conditions. (Birches generally do not perform well when grown in dry sites.)Verify by ...
In fact, I dare say that if you go out and check your own birch trees today, you will also find rolled leaves, thousands of them. This is the work of Epinotia solandrian, one of a couple of ...
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 ...
It’s the time of year when yellownecked caterpillars will soon engulf unprotected river birch trees. These pests also feed on blueberry, hickory, maple and oaks, but I have only seen ...
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 ...