Lymantria dispar dispar also known as spongy moth was observed in Waterloo Ontario to be in unusually large quantities during the summer of 2021.

An outbreak of Western Hemlock Looper Moths in Vancouver, linked to climate stressors, has led to significant tree damage and is part of a global trend of increasing insect infestations.

The worst Gypsy moth caterpillar outbreak in Eastern Ontario in 30 years is ripping through city backyard trees and rural forests at an alarming rate.Some pockets of forest north of Belleville, along Highway 7, look like stands of giant toothpicks after being picked clean of their foliage.