TL;DR
Carpenter ant frass is the sawdust-like debris the ants eject from their galleries, a telltale mix of wood shavings, soil, insulation fragments, and body parts of dead nestmates pushed out through slit-like openings. Its texture separates the diagnoses: shaved and fibrous, since these ants excavate wood for nesting but do not eat it, unlike the pelletized, six-sided droppings of drywood termites or the mud of subterranean ones.
What it means
Carpenter ant frass is the sawdust-like debris the ants eject from their galleries, a telltale mix of wood shavings, soil, insulation fragments, and body parts of dead nestmates pushed out through slit-like openings. Its texture separates the diagnoses: shaved and fibrous, since these ants excavate wood for nesting but do not eat it, unlike the pelletized, six-sided droppings of drywood termites or the mud of subterranean ones. Piles accumulate below kick-out holes on window sills, baseboards, deck posts, and porch columns, and they reappear after cleanup while the colony is active.
Where it sits in the glossary
Carpenter ant frass is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
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See also
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