Wood Ant

Scientific Name: Formica rufa

Order & Family: Order: Hymenoptera, Family: Formicidae

Size: Workers range from 4 to 10 mm in length.

Wood Ant

Natural Habitat

Open coniferous or mixed woodlands, often building large mounds out of pine needles and twigs.

Diet & Feeding

Omnivorous; they eat insects and other invertebrates, and extensively collect honeydew from aphids.

Behavior Patterns

Highly social insects that live in large colonies. They are known for building complex thatch mounds and being territorial. They use formic acid as a defense mechanism.

Risks & Benefits

Benefits include pest control by eating other insects and improving soil quality; risks to humans are minimal, though they can deliver a painful bite and spray formic acid if the nest is disturbed.

Identified on: 6/16/2026