An Emerald Ash Borer Experiment at CVS Park.
Warren wanted to show me the results of a recent treatment his company had given to a tree, so he pulled the truck over at the Village...
Emerald Ash Borer Update June 15, 2015
RIGHT NOW is the time of year that emerald ash borer (EAB) adults are active. Here are some photos I took last Wednesday in Willow Grove,...
Scarlet oak sawfly
These pin oaks are shedding leaves, and large parts of some of them have leaves that look white from the ground. The culprit is scarlet...
Imported Willow Leaf Beetle
This weeping willow in Harleysville has adult imported willow leaf beetles feeding on its leaves. They won’t cause much damage. But the...
Emerald Ash Borer Scouting
The way this client found me is a little bit strange. He found my website by googling “bacterial leaf scorch” (I have articles posted...
Emerald ash borer discovered in Bucks County
Read this article from the Penn State Extension. See my article from July 27, 2011 to learn what you need to know. And you can read my...
European Hornets (Followup)
Renee wanted me to help her get rid of the hornets. So I had to decide how to go about it. The most effective way to control European...
European hornets
These are European hornets. I never really thought of them as tree pests before. When I see them on trees, usually they’re feeding on...
Emerald ash borer update
Have you noticed all those purple sticky traps? The PA Department of Agriculture has hung them in ash trees all over eastern PA this...