The Ants of the Santa Barbara Museum of Natural History
The little black ant - (Monomorium minimum) – native
This species can be recognized by the following characteristics:
- Dark brown to black
- 1 to 1.5 mm in length
- 2 petiolar nodes
- 12 segmented antennae
This ant species is found throughout the US, and are generally more common in the eastern US. In California they are most active during the summer months.
Monomorium minimum can nest either indoors or outdoors. When they invade homes they establish nests in the woodwork and the mortar. Outdoors, this ant prefers decaying woods, loose soil, and the underside of rocks. Their colonies range in size from moderate to large and contain many queens. These ants will eat almost anything, including aphid honeydew, pollen, sweets, meats, grease, fruit, vegetables, and bread.