Red Imported Fire Ant

Scientific Name: Solenopsis invicta

Order & Family: Order: Hymenoptera; Family: Formicidae

Size: Workers vary in size from 1.5 to 5 mm (1/16 to 1/4 inch) in length.

Red Imported Fire Ant

Natural Habitat

Open, sunny areas such as lawns, pastures, and parks, where they build distinctive soil mounds.

Diet & Feeding

Omnivorous; they feed on various plant materials, seeds, other insects, earthworms, and sometimes small vertebrates.

Behavior Patterns

Highly aggressive social insects that live in large colonies; they are known for swarming and stinging any perceived threat to their nest.

Risks & Benefits

Risks: Their stings are painful, cause white pustules, and can lead to severe allergic reactions. They are invasive pests that damage crops and displace native species. Benefits: They can help control some agricultural pests like boll weevils and sugarcane borers.

Identified on: 3/26/2026