Mills proposes $2M for preventative spruce budworm spraying

The early intervention program, modeled after one in New Brunswick, would fund the spring spraying of pesticides on 300,000 acres of commercial spruce-fir forests in northern Maine where state inspectors have found evidence of overwintering budworm larvae.

Bill before Congress would give Maine $14 million to fight spruce budworm

The species of tree-killing moths is making a comeback in northern Maine, raising concerns of another major outbreak.

How to protect ash trees and preserve a Wabanaki tradition

Scientist warns that increased shipping could turn Casco Bay into ‘bioinvasion hotspot’

A Biddeford scientist has identified 3 new invasive species in Casco Bay that he has tied back to Eimskip, the Icelandic shipping company that visits Portland weekly.

Pest predictor i-Tree will help identify harmful nonnative insects

With invader insect numbers rising in Maine, the tool can help protect the native trees.

Fruit flies end strawberry season early for some Maine farms

Warm weather caused the invasive spotted wing drosophila population to swell sooner than usual. A small fruits specialist remains hopeful raspberry and blueberry farmers will be able to control the fly.

Invasive freshwater zebra mussels creeping closer to Maine

State officials call attention to a new law that requires boaters to drain all water from their boats to prevent the tiny mollusks from spreading here.

State raises alarm about discovery of fast-growing invasive vine

The Department of Agriculture Conservation and Forestry says mile-a-minute weed is a 'horticultural hitchhiker' that often spreads in the root balls or pots of plants sold commercially.

Invasive hemlock pest approaches Androscoggin County

The pest hasn't yet been identified in Androscoggin County towns, but one state entomologist said it's only a matter of time.

Scientists trace black stains on beachgoers’ feet to invasive species

A massive die-off of hemlock woolly adelgid last year left millions of fly corpses along shores and beaches from Maine to Massachusetts.