Sod webworm: Tips for your lawn

Sod webworms, the caterpillar stage of lawn moths, are a pest of bluegrass lawns in Michigan. Several closely related webworm species have similar lifecycles and damage symptoms. The biology and management of bluegrass webworm, Parapediasia teterrellas (Zincken), will be discussed as a representative of the group.
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Sod Webworm