Start scouting for spruce spider mites

Editor’s note: This article is from the archives of the MSU Crop Advisory Team Alerts. Check the label of any pesticide referenced to ensure your use is included.

Growers will want to begin scouting again for spruce spider mites. Spruce spider mite is a “cool season mite,” and we sometimes see populations build in the fall of the year. Pay particular attention to Fraser and spruce trees you plan to harvest this year.
Check for mite activity by closely inspecting the older needles near the tree stem or by sharply rapping shoots over white cardboard or a notebook with white paper.

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