USDA Forest Service
Hemlock looper
Lambdina fiscellaria

Hemlock looper (Lambdina fiscellaria) is an insect pest. It was first detected in Michigan in 1988.

The hemlock looper Lambdina fiscellaria is a defoliating insect native to North America. It occurs in the eastern United States from Maine to Georgia and west to Wisconsin. The larvae can be extremely destructive to hemlock, balsam fir, and white spruce.
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