What’s eating my maple tree leaves?

Look for physical leaf damage. If large chunks have been taken out of multiple leaves, you likely have a beetle or moth problem. Spindle galls, however, are usually indicative of mites. Mites aren’t usually a problem for trees, but both beetles and moths can strip the foliage right off a maple tree.

Considering this, what causes holes in maple tree leaves?

An insect related issue that leads to small holes in leaves is maple bladder gall. These galls are caused by a tiny sap-sucking mite. Their feeding causes tiny bladder shaped galls that change from green to red and then black. Both the mites and the holes are harmless to maple trees.

Also, what is eating my maple tree trunk? Two species of ambrosia beetles attack maple trees: Xylosandrus crassiusculus Motschulky (granulate ambrosia beetle) and Xylosandrus germanus Blandford. Both are non-native pests. Ambrosia beetles burrow into the xylum and inject a fungus (the ambrosia), which feeds the larvae.

Likewise, people ask, what bugs kill maple trees?

Tar Spot – This disease affects several maple species and causes large, tar-like spots on the leaves.

Other maple tree diseases and pests include:

  • Root rot.
  • Gall mites.
  • Cankerworms.
  • Aphids.
  • Cottony scale.
  • Petiole borers.
  • Leafhoppers.
  • Boxelder bugs.

How do I get rid of maple bugs?

To get rid of outdoor boxelder bugs, fill a spray bottle with water and liquid dish soap and spray the bugs to kill them. You can also sprinkle borax or food-grade diatomaceous earth around the perimeter of your home and plants to keep boxelder bugs away.

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