Carpenter ants excavate wood to build nests, causing structural damage similar to termites. They prefer moist, decaying wood and are most active at night.
Sawdust-like shavings near baseboards, rustling sounds in walls, and winged ants emerging indoors — especially in spring.
Fix leaks promptly, store firewood away from the house, trim branches touching the roof, and seal cracks in the foundation.
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