In this Northern Virginia Magazine article, Lou Meyer from Davey's Mid-Atlantic region talks about the damage that webworms can do and how to remove them.
This time of year, you may notice large clusters of webs covering branches in trees and shrubs. These aren’t spiderwebs — they’re likely the work of fall webworms.
Webworms are caterpillars that build large webs in the branches of trees and eventually turn into moths. The web “protects the caterpillars while they feed on the vegetation of the tree. It protects them while they sleep,” says Lou Meyer, an arborist with Davey Tree.
The webs can be up to two to three feet in length and diameter, and each one holds many webworms. They eat 90 different tree species, but particular favorites are walnuts, hickories, cherries, and birches, Meyer says.
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