4 December, 2013

Lead Carpenter

We keep seeing very large ants crawling on the walls and the floor in my house. We were told to follow them and they will eventually lead to the source of entry. However; we try following one for about 30 minutes and it keeps going around in circles. We cannot find the source of entry. We removed any kind of old wood from around the house and there wasn't a nest in the wood. So I am sure they are in the house somewhere. Is there a technique to use to trick the ants into going back to the nest. Well, I have your answer. Probably close to 90 percent of all my carpenter ant work in homes has nothing to do with wood, and the ants I do find in wood is mostly there for the hollow area such as created by crown molding. Hollow core interior doors etc. Carpenter ants are active late at night so maybe an after midnight look around may help. When there is an interior nest the ants will have a place they kick out the colony's trash, so you will have a pile of "frass" build up. . Clean it up and it will be back a couple of days later. If you find the frass pile, go straight up and you will be able to determine where their exit hole is, not necessarily the heart of the nest. The frass is typically made up of their shed cocoons from the pupa stage and it does look similar to wood shavings. The area where you seem to notice more ants just hanging around is mostly close to the nest opening. Carpenter ant mostly aren't attracted to the generic or home made ant baits but there is a couple of professional products you can get over the web. One is Advance Carpenter Ant Granules (outside product) , I have used it to get rid of ants where I wasn't sure where the nest was. Another is Maxforce Carpenter Ant Gel, I haven't used it but it is for indoor use and other exterminators I know who have used it say it works as well as the Advance granules.


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  1. Florida December 3, 2013 at 1:10 pm #
    Most carpenter ants have the nests in wood and moist areas. One technique for locating hidden nests is to tap along baseboards and other wood surfaces with the blunt end of a screwdriver, listening for the hollow sound of damaged wood. If a nest is nearby, carpenter ants often will respond by making a " rustling" sound within the nest, similar to the crinkling of cellophane. They usually have many different locations, and may even have a nest outside. The nest may be located by careful and patient observations of worker ants, especially between sunset and midnight during spring and summer months when carpenter ants are most active. To follow carpenter ants without startling them, use a flashlight with a red film over the lensants cannot see red light. You can increase your chances of following workers to their nest by setting out any type of sweet food (honey) that is attractive to carpenter ants.