Many birch leaves in Fairbanks and Anchorage are going from green to brown as the result of an insect infestation. U.S. Forest Service entomologist Stephen Burr in Fairbanks says a leaf mining bug ...
After seeing my article last week on the efficacy of systemic insecticides for bark beetles and borers in pines, a reader, Ken, wondered whether a product he was using against bronze birch borers was ...
Borers have been attacking my two birch trees this year. Our arborist says this problem is pretty wide spread in the Portland/Vancouver areas this year. How can I control this pest? Attacks of the ...
CORVALLIS, Ore. - A voracious insect - the bronze birch borer - is picking off beloved birch trees throughout Oregon. Common for many years in Eastern Oregon, the hard-to-control beetle first showed ...
First-grade students on their winter forest field trip at Crossroads at Big Creek found several birch trees, each riddled with woodpecker holes and clearly dead. One of the children asked, “How come ...
'In the fall, when temperatures are cool, the best action to take is to prune back birch limbs, especially those showing signs of birch borer damage', advises Emma Grace Crumbley. 'Pruning the trees ...
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 ...
Can birch trees be saved? Q: My birch trees are dying. Is there anything that can be done? – Clackamas County A: Birch trees are being lost across our region due to the bronze birch borer insect.
CONCORD, N.H. – They may be down but they're not out: Damaging insects can emerge from fallen trees and logs for several years after a major storm, according to a U.S. Forest Service study that ...