The claim
Piles of fine sawdust are a clear sign of carpenter ants in the house
Rating
Piles of fine sawdust are indeed a clear sign of carpenter ants in the house. This sawdust is a byproduct of the ants excavating wood to create their nests. While carpenter ants do not eat the wood, they expel the debris, creating these distinctive piles
Reviewed by PestWorld ↗ ·
Original fact check ↗Sources and attribution
- [S1] PestWorld original review
Original review · Retrieved October 16, 2026