The term "black ant" doesn’t refer to just one species. It's a catch-all term that includes several types of small dark ants, including carpenter ants. For this comparison, we're comparing carpenter ants against one of the most common household black ants, the odorous house ant (Tapinoma sessile).
Carpenter ants are the largest ants you'll find indoors, and it's worth knowing the signs since they can damage wood over time.
Small, fast-moving, and quick to multiply, these ants are one of the most common nuisance ants in U.S. homes.
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These large, dark ants can show up indoors, sometimes alongside small piles of shavings (also known as frass) near baseboards or window frames. Winged swarmers can also appear, though these are sometimes confused with termite swarmers. Odorous house ants usually turn up in trails near kitchens or bathrooms, especially after rain, and may give off a strange odor if crushed.
Not sure which one has moved into your home? Our ant control services start with identifying the species, because the right treatment depends on it.
For carpenter ants, fix leaks and damp areas around your home, since moisture is what draws them in. Trim back branches and shrubs touching your house, as these act like bridges for ants heading indoors.
For all black ants, keep food sealed and surfaces free of crumbs and spills. Sealing cracks around doors, windows, and utility lines helps keep both types of ants from finding their way inside.
Check where you spotted it first. Carpenter ants tend to turn up near damp or damaged wood, like window frames, eaves, or wall voids, while black ants can appear almost anywhere in the home, including kitchens and bathrooms. Color and size can also help, since carpenter ants are larger and often have a reddish-brown tint.
No. Carpenter ants tunnel through damp or damaged wood to build their nests, which can weaken structural timber over time. Black ants like the odorous house ant don't nest in wood and are considered a nuisance rather than a structural risk.
Yes. Carpenter ants are usually quiet and secretive, often noticed only by small piles of debris or faint rustling in walls. Other black ants are more visible day to day, forming steady trails to food and water sources.
Not sure if it's carpenter ants or odorous house ants? Our technicians can identify the species and develop a custom treatment plan.
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