About the Gypsy Moth
The gypsy moth is a highly destructive caterpillar which was accidentally introduced to the US in the northeast but has spread to the central US and Mid-Atlantic states and continues to spread further each year. The caterpillar is distinctive for its rows of blue and red/orange spots. It will feed on many species of trees with a preference for oak and aspen. Its feeding damage is typical of caterpillars where the leaf is chewed, with early stage caterpillars chewing holes in the leaf and later stage caterpillars consuming the entire leaf, leaving the tree defoliated or very thin. The best evidence of gypsy moth infestation is the presence of the caterpillar itself.
Host Trees for Gypsy Moth
Many Oak species, White preferred.
Treatments for Gypsy Moth
Learn More About Common Tree Pests & Treatments
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