Spongy moth (formally gypsy moth; Lymantria dispar) is an invasive insect that can defoliate thousands of acres of forest one year and seem to disappear the next. These caterpillars can be found throughout the Northeast, South, and Midwest. Outbreaks of spongy moth can cause serious ecological and economic harm, but there are ways to reduce their impact. Managing outbreaks, slowing their spread, and reporting new populations can help protect our communities from this insect.
Report Sightings of Spongy Moth
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