Insects and pests

  • All 94
  • Technical reports 82
  • Web pages 12

Forest tent caterpillar

Canada, United States

The forest tent caterpillar, Malacosoma disstria, is a native pest to North America and is found throughout …

Formosan subterranean termite

Canada, United States

The Formosan subterranean termite is considered to be the most aggressive and destructive species of termite in the w…

Gloomy scale on maple

Canada, United States

Scales insects are an unusual group that look and behave very differently than most insect pests encountered on trees…

Hemlock Woolly Adelgid

Canada, United States

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

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

IPM of clearwing borers

Canada, Great Britain, Ireland, United States

Integrated pest management (IPM) of clearwing borer moths (Family Sesiidae) is based on the following control strateg…

Learn about Japanese beetle

The adult Japanese beetle is a serious pest of shade trees, ornamental shrubs and vines, and many garden plants. The …

Japanese maple scale

Canada, Great Britain, Ireland, United States

Japanese maple scale (JMS), Lopholeucaspis japonica, is an introduced pest on landscape ornamental trees and…