Parts of Massachusetts will likely experience another year of heavy caterpillar infestations.

The four caterpillar species expected to be problematic this spring/summer are listed below. Each page contains links on specific information for each of these caterpillar species.

Update May-June 2007

Parts of the state are currently experiencing heavy infestations of defoliator caterpillars. Eastern Massachusetts is being hit with a significant infestation of winter moth.

Trevor Battle

Eastern Tent Caterpillar Page Photo from USDA Forest Service	Forest Tent Caterpillar Page Photo from USDA Forest Service
Gypsy Moth Page Photo from USDA Forest Service	Winter Moth Page Photo from Dept. of Conservation & Recreation

Caterpillar Contacts:

Robert D. Childs, Entomologist, Umass Extension Landscape, Nursery, and Urban Forestry Program, Amherst

Phone: (413) 545-1053 e-mail: rchilds@psis.umass.edu

Deborah C. Swanson, Plymouth County Extension and Umass Extension Landscape, Nursery, and Urban Forestry Program

Phone: (781) 293-3541

Charles M. Burnham, Program Supervisor, Forest Health Program, Massachusetts Department of Conservation and Recreation

Phone: (413) 256-1601 e-mail: charlie.burnham@state.ma.us