Definition
Large ants that tunnel through wood to create nesting galleries, causing significant structural damage over time. Unlike termites, carpenter ants are attracted to moisture.
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Unlike termites, carpenter ants don't eat wood; they hollow it out for nesting. Evidence includes sawdust-like frass, smooth tunnels, and damaged wood. Carpenter ants are attracted to moisture, so eliminating moisture sources is critical to prevention. Treatment involves identifying and removing nests, treating galleries with pesticide, and addressing moisture problems. Infestations can cause extensive structural damage if untreated.
Pro Tip
Prevent carpenter ant infestation by maintaining proper grading and fixing leaks promptly.
Example
A home inspection found carpenter ant evidence in a crawl space with high moisture. Treatment included improving drainage, installing dehumidification, treating galleries, and monitoring for reinfestation.