The smoky-winged ash aphids or wooly ash aphids spend the summer sucking the sap out of fir trees, your classic Christmas tree type of evergreen. When it’s time to reproduce, they move over to ...

Of the top three questions handled by Master Gardener volunteers this spring, the overwhelming majority have been about aphids. Ash trees were attacked viciously by ash aphids. Homeowners often ...

The Oregon Department of Forestry is assessing damage done by the spruce aphid along the Oregon Coast after an outbreak in ...

Their swarms consist mostly of females migrating from the roots of Douglas fir trees to ash trees where they’ll lay their eggs, Zack said. “While some aphid species damage plants and trees ...

Climate, poor irrigation, lilac ash borers, anthracnose, leaf curl aphids and other issues also affect true ash trees (genus Fraxinus) with varying degrees of destructiveness.

The smoky-winged ash aphids have spent a flightless summer sucking up root juice from conifer trees. Now, “clouds and clouds and clouds” of bugs are flying to lay eggs in the bark of ash trees ...

Lane County A: You’re dealing with cabbage aphids, a sucking insect that can ... We have two mature Oregon ash trees that reside in what is a marshy area during the rainy season, but is bone ...

Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

MISSOULA, Mont. — During the fall, woolly aphids start to appear on local trees. The insects are not harmful to trees, but if you find yourself put off by the blue and white bugs you can wash ...

There’s a lot to love about mountain ash, a delightful native tree that fits easily into urban and suburban landscapes. It can be grown as a small single-trunk tree or with mult ...