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

Hemlock rust mite

Canada, Great Britain, Ireland, United States

Hemlock rust mite is an Eriophyid mite that feeds on hemlock needles causing foliar symptoms that are often mistaken …

Learn about Hemlock woolly adelgid

Hemlock Woolly Adelgid

Canada, United States

Infestations of the hemlock woolly adelgid are conspicuous due to the white, woolly cove…

There could be many reasons why your avocado tree is not producing as much fruit as you would like. Soil fertility...

When a stem splits it is best to leave the wound open to callus over. The tree should recover but advisable to reduce...

This may be a fungal infection or possibly two different fungal infections that are not affected by copper treatments....

There are many factors to consider when planning for development near trees. Assessment of tree tree health, age and...

Normally 4-6" unless otherwise agreed upon at the point of sale. You should also discuss any surface roots or other...

There are many visual symptoms that Arborists use to diagnose tree health disorders and tree structure safety issues....

The fungus you are referring to may actually be Lichens that are growing on the tree. This will not harm the tree if...