A voracious insect called the spruce budworm was ravaging Maine’s North Woods, killing mountainsides of balsam fir and red ...

Six or more per branch is considered a hotspot. Spruce budworm is a native moth whose population explodes every 40 years or so, making it one of the most damaging forest pests in North America.

The native insect is a small moth that partially consumes the needles of trees during its caterpillar stage. The report found the western spruce budworm, Douglas-fir beetle and spruce beetle are ...

The native insect is a small moth that partially consumes the needles of trees during its caterpillar stage. The report found the western spruce budworm, Douglas-fir beetle and spruce beetle are ...