π Most Active Pests This Season
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Stink Bugs
Begin aggregating on south-facing walls in September. Treatment must happen BEFORE they enter.
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Mice & Rats
Seek warmth as temperatures drop below 50Β°F. October exclusion work is essential.
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Cluster Flies
Enter wall voids in September-October. Perimeter spray prevents the worst invasions.
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Asian Lady Beetles
Aggregate on buildings in October. Yellow/south-facing surfaces attract thousands.
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Spiders
Enter structures in fall seeking prey. Wolf spiders common in September-October.
π§ Action Checklist
- September: Most important month: apply perimeter spray for stink bugs, cluster flies, and Asian lady beetles. Inspect exterior for rodent entry points.
- October: Complete all rodent exclusion work (copper mesh + caulk). Seal chimney and attic gaps against wildlife.
- November: Set snap traps if rodent activity detected. Check attic for squirrel or bat entry points while it's still comfortable to work up there.
π Full Regional Calendar
See month-by-month pest activity for your region
π Open Pest Calendar β