If insects or other pests are causing an issue for your trees or shrubs, review commonly asked questions below to get some answers.
Insects and Pests FAQs (30)
- How badly can OPM damage trees?
- Are all oak tree species affected by oak processionary moth?
- Can I still plant oak trees given oak processionary moth infestations?
- Can OPM be fatal to humans or pets?
- Are other tree species besides oak attacked by oak processionary moth?
- If I find OPM nests or caterpillars in my trees, what should I do?
- Where in the UK has OPM been found?
- Does anything eat OPM?
- My magnolia tree has scale. What can be done?
- Are stinkbugs attracted to maple trees?
- I've been seeing many wooly adelgid on my hemlock trees. What is the recommended treatment for this?
- We have an Aspen tree that gets some kind of bugs on the leaves. The leaves get really sticky and, by summer, there are wasps and bees swarming around it all the time. It is right next to our neighbors house and along our driveway. The driveway gets this weird stuff all over it and the grounds actually looks darker under the tree from the substance. We've had the tree sprayed in the past, but it doesn't seem to work. What do you suggest?
- Is there a practical solution to squirrels stripping bark from pine trees?
- Are earwigs in an otherwise healthy looking tree a problem?
- My dog is eating the bark off of one of my trees. I am sure this is bad for the tree, and will allow insect damage to occur. What steps should I take?
- What is the preferred treatment for hemlock woolly adelgid?
- How would you eliminate bag worms before they hatch this Spring?
- What type of treatment do can you provide for boxwoods that are infected with leafminers?
- My jatropa tree has rust and sticky white stuff attached to the leaves and branches. Also, the blooms and leaves are shriveled. What can I do to save this tree?
- I have a mature Bartlett Pear tree. While close to it today, I noticed that there are hundreds and hundreds of lined holes in the bark. The tree still appears very healthy and I'd like to preserve it and wondering if there's anything I can do to save it. Also, I'd like a professional to prune my trees this fall, and afterwards annually.
- Squirrels are stripping branches off my sugar maple tree. One side is very thin now. How can I stop them? Do I need to cover the trunk in metal or is there a better way?
- What's the best way to control aphids on my lime tree?
- What is your expertise regarding the Emerald Ash borer infestation?
- Our Hemlocks were treated for Wooly Adelgid last spring. A ground injection was used. I had thought the injections would protect the trees for seven years straight. Am I wrong about this? How often do they need to be treated?
- My Princeton Elm leaves are being eaten by a small green caterpillar a half- to one-inch in length. The damage has been fairly extensive for the last two years and this year it has started very early. The tree is 15 years old and about 50 feet tall.
- Do arborivitae trees attract stinkbugs? If so, when is the best time to spray for them?
- Can the Emerald Ash Beetle be controlled in the healthy looking trees?
- I have insects in one of my trees. Recently, a large branch fell, exposing the extent of the insect damage. Could you provide insight as to what I may be able to do to prevent further damage?
- I have apple and pear trees. Every year I get worms in my fruit, no matter the spray or schedule and the labels on the sprays are confusing. What can I do?
- I have three Birch trees in my yard. They are starting to show signs of a beetle infestation. The top branches had leaves turning brown and dying just prior to the fall leaf drop. The trees are over 20 years old and I'd like to know if they can be saved.