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Insects and pests

  • All resources in insects and pests 228
  • Environmental factors and damage 117
  • Fertilization and soil management 4
  • General information 3
  • Plant health care 139
  • Tree diseases 122
  • Tree management and consulting 18

After removing a tree, how deep should one remove the stump in order to plant a new tree?

You want to select a spot that’s at least five feet from the old site, which will improve the chances of your new tree...

Plant health care
Insects and pests
Tree diseases
Environmental factors and damage

Ambrosia beetles

Learn about Ambrosia beetles

Insects and pests

Ambrosia beetles technical report

Canada, United States

Ambrosia beetles on oak and beech are a type of bark beetle/wood borer that bores into stems and branches of trees an…

Insects and pests

Aphids

Canada, United States

Aphids are a large group of small, soft-bodied insects with a modified, needle-like mouthpart (called a “stylet…

Insects and pests

Arborvitae leafminer

Canada, United States

Arborvitae leafminer (Argyresthia thuiella Packard) is one of four eastern species of leafminers whose prefe…

Insects and pests

Are bore holes and bark splits in my mulberry caused by termites?

Have you "Pollarded" your Mulberry annually to maintain the size? Do you know approximately how old your tree is?...

Plant health care
Insects and pests
Tree diseases
Environmental factors and damage

Are earwigs in an otherwise healthy looking tree a problem?

Earwigs do not hurt the tree at all.

Plant health care
Insects and pests

Are stinkbugs attracted to maple trees?

Yes. Some additional trees they are attracted to are tree of heaven, redbud, and fruit trees. They are usually more of...

Plant health care
Insects and pests

Asian longhorned beetle

Learn about Asian longhorned beetle

Insects and pests

Asian longhorned beetle technical report

Canada, United States

Asian longhorned beetle (ALB) is a destructive pest of maple and other deciduous trees. ALB larvae bore into stems an…

Insects and pests
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