Powderpost Beetle
Lyctidae
Wood-Boring PestsSmall reddish-brown to black beetle that bores in hardwood. Creates fine powdery sawdust (frass). Exit holes are perfectly round, 1/32 to 1/8 inch. Can reinfest wood. Includes several species (Lyctids, Anobiids, Bostrichids).
Control Methods
Recommended methods for controlling this pest
| Method | Type | Effectiveness | Requirements |
|---|---|---|---|
| Drywood Termite Whole-Structure Fumigation | Chemical | Required | |
| Preventative Borate Wood Treatment | Chemical | Required | |
| Remedial Borate Application | Chemical | Required | |
| Chamber Fumigation for Collections and Artifacts | Chemical | Required |
Common Harborage Locations
Where to find this pest during inspections
| Location | Why Found There | Priority |
|---|---|---|
| Firewood Piles | Moisture retention, bark provides food and shelter, direct contact with ground, proximity to structure. | High |
| Stored Lumber | Wood-destroying pests consume material, protection from weather, often in contact with soil. | Medium |
| Wood Framing | Direct food source for wood-destroying insects, hidden from view, often has moisture issues. | Critical |
| Hardwood Floors | Powderpost beetles attack hardwoods, gaps between boards collect debris, moisture from beneath. | Medium |
Important Disclaimer: The information provided in this knowledge base is for educational and reference purposes only. Pest management professionals should always consult current product labels, Safety Data Sheets (SDS), manufacturer instructions, and applicable local, state, and federal regulations as the definitive source of truth. Product formulations, application methods, safety requirements, and regulations may change over time. This information may be out of date and should not replace professional judgment, proper training, or required licensing and certifications.