Pest Library » Allegheny Mound Ants

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Allegheny Mound Ant (Formica exsectoides)
Workers of this species measure about 3/8-inch in length.
Red head and thorax with black abdomen
The name of this ant derives from the way it constructs mounds, which usually measure up to three feet in diameter. The large mounds have resulted in occasional â??fire ant scaresâ?? in northern states, although the Allegheny mound ant cannot sting. The ants feed on insects and the sweet honeydew produced by aphids and similar insects.