Identify Your Pest: Wood-Destroying Insects
- Pilchuck Pest Control

- Jun 18
- 1 min read
Updated: Jul 9
Carpenter Ants

Identification: Large ants (1/4 to 1/2 inch), usually solid black or dark red; symmetrical rounded thorax when viewed from the side.
Behavior and Signs: Excavate smooth galleries inside wood; leave piles of coarse sawdust (frass) mixed with dead insect parts.
Risk Factor: Cause severe, progressive structural damage to framing, porches, and roofing wood over time.
Resource: WSU Extension: Carpenter Ants
Termites (Dampwood Termites)

Identification: Much larger than subterranean termites; creamy white to brown bodies with large mouthparts.
Behavior and Signs: Found strictly in wood with exceptionally high moisture content; leave large oval fecal pellets inside galleries.
Risk Factor: Rapidly hollow out structural wood, particularly homes with chronic plumbing leaks or roof damage.
Resource: Oregon State University: Pacific Northwest Termite Guide




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