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 ...

Q. Last year we planed a small, weeping birch tree in our backyard without doing any prior research. Dumb, I know. It seemed to have a rough time adjusting, despite our attention on keeping it ...

“Last spring, only the bottom of my 15-year-old birch tree had leaves. The upper branches were green and flexible, so I don’t think they were dead. There was also dark sap running down the trunk. What ...

The birch trees in this photo appear to have been infested with bronze birch borer, as indicated by the dead upper branches where larvae have disrupted the flow of water and nutrients.

Albany's birch trees are fighting off an invader bent on destruction, but city officials are fighting back. The bronze birch borer is a beetle that targets native and nonnative birches species.

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 ...

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 ...