How do I get rid of big black ants?

Answer

Large black ants are usually carpenter ants, which like to nest in wood. In large numbers, they can cause significant structural damage. To get rid of them, find and destroy the nests.

  1. Know ants' habits

    Carpenter ants nest in almost any wood but prefer wood that is moist. They are likely to be found in places where water leaks have moistened wood, so areas near sinks, bathtubs, and window and door frames are good places to look. Moist, hollow places are particular favorites, such as the wall void behind a dishwasher. Carpenter ants push out shredded wood fragments, dead ants and bits of insects they have eaten from their nests, so finding such material is a good clue that a carpenter ant nest is nearby.

  2. Locate the nest

    If you find signs that ants are present, tap on nearby wood with the blunt end of a screwdriver and listen for hollow sounds. Sometimes the ants will reveal themselves by making rustling or clicking noises that sound like crinkling cellophane in response to your tapping. You can also use the bladed end of the screwdriver to probe wood that seems weak for the ants' galleries.

  3. Make ant scouts work for you

    Don't spray carpenter ants that you see. Instead, set out food for them on the back of small pieces of masking tape. Diluted honey works well. After the ants have fed, trail them back to their nest. This tactic is most effective at night when the ants are most active, so you may need a flashlight and some patience to make this work.

  4. Treat the nest

    Once you have located the nest, you need to buy some boric acid and some bulb dusters from a hardware store. Carefully drill 1/8 inch holes into the suspected nest area and use the dusters to puff boric acid inside. Treat at least 3 to 6 feet to the side of where the ants are entering to get the entire nest. Treat around pipe collars and behind the junction boxes for electrical switches and receptacles but never treat inside the boxes. If the main nest is outdoors, you can drench it with an insecticide.

  5. Keep ants from returning

    Once you've gotten rid of the nest, remove damaged or rotten wood from inside the house and make any needed repairs. Remove rotting or damaged wood close to your house to prevent ants from invading your house as scouts from outdoor nests.

Q&A Related to "How do I get rid of big black ants?"
There are chemicals and natural products available to get rid of ants. The big ants are usually carpenter ants and need to be treated outside to keep them from entering your house
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1. Seal up cracks and gaps in your windows and doors with caulk. Add door flaps or seal strips on the bottoms of your doors to close off gaps between the doors and floors. 2. Clean
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1 Additional Answer
Ask.com Answer for: how to get rid of big black ants
How to Get Rid of Big Black Ants
Big black ants, better known as carpenter ants, measure ¼ to ½ inch in length. Carpenter ants make their presence known in early spring, as soon as the weather begins to warm up. These large, black ants feed on the both live and dead insects... More »
Difficulty: Moderate
Source: www.ehow.com
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