Little Black Ants

Monomorium minimum (Buckley)
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The little black ant gets its common name from its very small size and black coloration. Colonies are moderate to very large and contain many queens. 

Pest Stats

Color

Dark brown to black; typically jet-black

Legs

Six

Shape

Pedicel, or ant waist, is two-segmented; Profile is unevenly rounded; thorax lacks spines

Size

1/16” (1.5-2mm)

Antennae

Yes

Region

Found throughout the United States, especially in the eastern region, in the southern half of California, and the San Francisco Bay area

Habits

Little black ant swarms are common from June to August, during which time they forage in trails and are frequently seen along sidewalks.

These small ants feed on grease, oil, meats, fruits, and vegetables materials such as corn meal and sweets. The workers also feed on other insects, honeydew and plant secretions.

Habitat

Little black ants are common in wooded areas. In yards, they nest under rocks, in rotting logs, and under piles of bricks or lumber. Indoors, nests are located in woodwork, wall voids, decaying wood, masonry, and behind facades.

Threats

Although little black ants have a stinger, it is often too small and weak to be effective.