Dewey
You might be noticing a tell-tale sign: small piles of fine, sawdust-like material near your home’s foundation, baseboards, or wooden furniture. These are often referred to as “frass” and are a strong indicator of wood-destroying insects at work. Other signs include damaged wood that sounds hollow when tapped, or even the faint rustling sounds within walls. If you see winged insects swarming around your property, especially during warmer months, these could be reproductive termites or carpenter ants seeking new colonies. The presence of these nuisances can lead to significant structural damage over time, making early detection and intervention crucial.
The primary culprits behind this frass and wood damage are typically wood-destroying insects. While several types exist, the most common concerns for homeowners are termites and carpenter ants. Termites, such as subterranean termites, live in colonies and feed on cellulose found in wood. They can tunnel through wooden structures, weakening them from the inside out without always being immediately obvious. Their activity often leaves behind frass that resembles fine sand or coffee grounds. Carpenter ants, on the other hand, do not eat wood for sustenance. Instead, they excavate tunnels and galleries within wood to create nests. They prefer moist or damaged wood, but can also infest sound timber. Carpenter ant frass is also sawdust-like but often contains fragments of wood and insect body parts, distinguishing it from termite frass.
Addressing these pests requires a targeted approach tailored to the specific insect and the extent of infestation. For subterranean termite control, professionals often employ liquid barrier treatments around the perimeter of your home. This involves applying an effective insecticide to the soil, creating a protective zone that termites must cross to reach your home’s structure. Another common method is termite baiting systems. These systems involve strategically placed bait stations containing a slow-acting insecticide. Termites feed on the bait and carry it back to the colony, effectively eliminating the population. Regular monitoring of these bait stations is key to their success.
Carpenter ant pest control often involves identifying the satellite colonies, which may be located within the structure or in nearby trees and stumps. Treatment typically focuses on directly treating the nest with specialized insecticides. This can involve injecting liquid or foam formulations into galleries or applying dusts to void spaces where ants are active. For widespread ant control issues beyond just carpenter ants, including common household ants, treatments can involve perimeter sprays to deter foraging ants from entering the home, as well as targeted baiting to eliminate the colony. Baits are particularly effective for many ant species as they are carried back to the nest, addressing the source of the problem rather than just the visible ants.
Last updated: September 1, 2026