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University of Nebraska–Lincoln

UNL Extension in Lancaster County

Insects, Spiders, Mice & More

Pavement Ant Identification

Resources to help you identify pavement ants found in Nebraska.

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Pavement Ant - Photo courtesy of Antweb.org

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Pavement Ant Identification (Two Node Ant)


Pavement Ant (Tetramorium caespitum)

Pavement Ant
Pavement Ant

Tetramorium caespitum

Description of Workers: Small workers, around 1/8-inch (2.5 to 3 mm); light to dark brown or blackish. The head and thorax is furrowed by parallel lines. These ants have one pair of spines on the thorax and a sting on the tip of the abdomen.

Habits:

Pavement ants get their name because they often nest under sidewalks, driveways and building foundations. A mound of displaced soil along a paved area is probably a sign of pavement ant activity. During the winter, pavement ants may nest inside structures near a heat source.

Pavement Ant - Grooves on Head

Pavement Ant Grooves on Head

Pavement ants are trailing ants and feed on a wide variety of foods including dead insects, greasy foods, seeds and sweets, including the honeydew of aphids.

Management:

Management includes locating and appropriately treating colonies. Commercial baits have been shown to be effective.



The information on this Web site is valid for residents of southeastern Nebraska. It may or may not apply in your area. If you live outside southeastern Nebraska, visit your local Extension office

Credits:

  • Ant illustrations were developed by Vicki Jedlicka, University of Nebraska-Lincoln Extension in Lancaster County
  • Photo Courtesy of http://www.antweb.org. Photographer: April Nobile

For information on reproducing this resource or using any photographs or graphics, read the Terms of Use statement)

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