Black Garden Ant
Scientific Name: Lasius niger
Order & Family: Order: Hymenoptera, Family: Formicidae
Size: Workers are typically 3mm to 5mm in length.

Natural Habitat
Found in gardens, under paving stones, in soil, and occasionally inside buildings.
Diet & Feeding
Omnivorous; they feed on nectar, seeds, and small insects, and famously tend aphids for honeydew.
Behavior Patterns
Highly social insects that live in complex colonies; they are most active during the day and exhibit swarming behavior during nuptial flights in summer.
Risks & Benefits
Generally harmless to humans though they can be minor pests in homes; they benefit the ecosystem by aerating soil and controlling smaller insect populations.
Identified on: 6/17/2026