Ash trees in region are vulnerable
12:29 pm
Tue June 10, 2014

Scientists get ready to battle a tiny killer of trees: Emerald ash borer

Entomologist Claire Rutledge finds an emerald ash borer's tracks on a tree in Sleeping Giant State Park in Hamden, Connecticut.
Credit Davis Dunavin

Arborists in Connecticut are getting ready for another summer battling the emerald ash borer. They're beetles that kill trees, and they’ve been spreading across the state since 2012.