Black Garden Ant

Scientific Name: Lasius niger

Order & Family: Hymenoptera, Formicidae

Size: 3 to 4.5 mm for workers; up to 9 mm for queens.

Black Garden Ant

Natural Habitat

Found in gardens, woodlands, and urban environments, often nesting under paving stones or in soil.

Diet & Feeding

Omnivorous, feeding on nectar, seeds, and small insects. They are well known for farming aphids to collect honeydew.

Behavior Patterns

Highly social insects living in large colonies. They exhibit complex foraging behaviors and clear divisions of labor between the queen and workers.

Risks & Benefits

They do not sting or bite humans significantly but can be a nuisance in homes. Benefit the ecosystem by aerating soil and controlling populations of smaller pests.

Identified on: 5/28/2026