Inch by Inch, Fall Cankerworms Will Eat Your Trees

The fall cankerworm (Alsophila pometaria) is a common, native defoliator of hardwood trees throughout North America. Prone to outbreaks, this insect can cause severe damage on trees and be a public nuisance. Landscape-level management is rarely necessary, but control measures may be worthwhile on individual trees. (Photo by William M. Ciesla, Forest Health Management International, Bugwood.org)

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Source: Entomology Today

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