Odorous House Ant

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Origin: Native to North America, and found throughout much of southern Canada, all of the U.S., and into Mexico.

Biology: This is a single node ant that may easily be confused with the Argentine Ant, but when viewed from above the single node of the Odorous house ant is not visible, as it is tucked up against the abdomen. It also is a shinier black color. The name is derived from the strong odor given off when the ants are crushed, said to resemble rotting coconuts. Workers are all the same size and forage in long, distinct trails. Colonies may have up to 10,000 workers in them, and nesting sites may be almost anywhere. Outdoors they make shallow soil nests under any material on the ground, within hollow trees, or in any other cavity available. Indoors they nest in wall voids, under insulation in crawl spaces, or within cavities in the wood. Sweet materials like honeydew or other sugar sources are their preferred foods.

Identification: Workers are only about 3 mm long, and are shiny black to dark brown. They have a single node that is tucked closely against the front of the abdomen, and the top of the thorax has a slight dip in it near its mid-point. There are 12 segments on the antenna and there is no enlarged club. There is no circle of hairs around the anal opening.

Characteristics Important in Control: Control of most ants includes correction of the attractions that drew them to a property, including harborage sites, food sources, and moisture conditions.

If you have an ant problem and would like to have a Thomas Pest Services representative speak to you, give us a call! Contact us by phone (877) 518 - BUGS (2847) , email, Twitter, or Facebook for your free inspection today!

We at Thomas Pest Services, Inc. are grateful to Univar Professional Products and Services for pest information incorporated into this work.

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