Gypsy Moth: Natural Solutions
A gypsy moth caterpillar can eat about one square metre of leaves as it goes from a little tiny new caterpillar to a great big adult one that’s ready to pupate. That’s a fair amount of foliage for just one little caterpillar. The voracious caterpillars threatening Ontario’s trees, the gypsy moth caterpillar (Lymantria dispar) isn’t fussy about what it eats. Once it’s done with the trees, it’ll even drop down and feed on understory plants and bushes. In 2019, Ontario’s Ministry of Natural Resources and Forestry used aerial photography to determine gypsy moths had defoliated 47,203 hectares. By 2020, the damage had spread to 586,385 hectares. That’s a 1,200 percent increase.The population of gypsy moths is cyclical, with large outbreaks every seven to 10 years The gypsy moth caterpillars are invading Ontario this year. It has become a significant pest because the caterpillars have voracious appetites for more than 300 species of trees and shrubs, posing a danger to North America’s forests. The caterpillars defoliate trees, leaving trees vulnerable to diseases and other pests and can eventually kill the tree. A gypsy moth infestation at this stage lasts an average of 10 days for females and 13 days for males … Read more