Wood Ant
Scientific Name: Formica rufa
Order & Family: Order: Hymenoptera, Family: Formicidae
Size: Workers range from 4 to 10 mm in length.

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