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

Tea scale

Canada, Great Britain, Ireland, United States

Tea scale, Fiorinia theae, is an armored scale insect which secretes a hard covering called a "test.&qu…

Tent caterpillars

Canada, United States

The habits of tent caterpillars have been studied by curious entomologists who wanted to unlock their secrets of pred…

The yellowing on the interior is normal. However, on the ends of the branches is not normal. It is likely a disease...

Thrips

Canada, Great Britain, United States

Thrips are tiny insects that are most abundant in temperate and tropical climates. There are over 6,000 species of th…

It's not news that certain ticks transfer diseases to humans and pets. What may be news is that infestations of these pe…

Ticks

Canada, United States

Approximately 75 species of ticks are present in nearly all habitats of North America. Those most likely to be found …

Tuliptree scale

Canada, United States

The tuliptree scale, Toumeyella liriodendri (Gmelin), is an insect in the family of Coccidae, the soft scales. This s…

Two-lined chestnut borer

Canada, United States

The two-lined chestnut borer, Agrilus bilineatus, is a common secondary invader of oak, beech, hornbeam and chestnut …

Viburnum leaf beetle

Canada, Great Britain, Ireland, United States

The viburnum leaf beetle (VLB) is an exotic invasive pest of viburnum species. Both larvae and adults feed on viburnu…