Pest Information - Ants

There are almost 9,000 species of ants and they can be found from the Arctic Circle to the Tropics. This site will focus on the ants most commonly found in Hawaii. Learn about their Appearance, Habitat, Diet, Type of Damage, and Life Cycle.
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Little Black Ant

Little Black Ant

Scientific Name

Monomorium minimum


The little black ant's thorax lacks spines, and the petiole has two nodes. The abdomen is tipped by a small stinger. Each antenna ends in a three segmented club. The little black ant workers are 1/16-inch long. These characteristics also describe these two species is the jet black color of the little black ant.


Little black ants are found throughout the United States. They nest beneath stones, in lawns, and in areas that lack vegetation. Their nests are easily located because they form small craters of fine soil at their entrances. These ants also nest in rotting wood and behind the woodwork or masonry of structures. Indoors, they can be found under the edge of carpeting, in old termite galleries, and in wall voids.


Little black ants like to feed on a variety of foods. They eat aphids as a source of honeydew, feed on meats or greases, and are predaceous on other insects. Indoors they feed on both greases and sweet foods.

Type of Damage

A common house ant in Hawaii, this ant poses two problems. One is that it bites if disturbed, the other is that it encourages plant pests by protecting aphids, mealybugs, and other pests that destroy plants. The little black ant feeds on “honeydew” produced by these plant pests.

Life Cycle

Not a great deal has been published on this ant species. The colonies are moderate to large and contain numerous queens. Winged reproductives appear from June to August.

Interesting Facts

As with other species of ants, it is important to remove vegetation that touches the home because these ants will use the plants as bridges into your home.