Powderpost Beetle

Natural Habitat

Commonly found in deciduous hardwood materials, unfinished lumber, or wooden structures like flooring, rafters, and furniture.

Diet & Feeding

Larvae feed on the starch content of wood, particularly seasoned hardwoods like oak, ash, and hickory.

Behavior Patterns

They are nocturnal and often go unnoticed until adults emerge through tiny round 'exit holes,' leaving a fine, flour-like powder (frass) behind.

Risks & Benefits

They are significant economic pests that can cause structural damage to buildings and destroy expensive furniture; they offer no direct benefit to human ecosystems.

Identified on: 6/4/2026