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 them on river ...

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 ...

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 ...

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 ...

KINGSTON, R.I. – November 24, 2008 – The United States has been under assault for decades by a wide variety of alien plants and animals, and it is not often that one of these aliens faces a ...

Good trees to plant are ones that are alone in their species, according to a forestry specialist. These include Kentucky coffee tree, Myers spruce, shagbark hickory, ironwood and hackberry. The ...