Interactive Bugs

Bugs

Black garden ant

Lasius niger

The little black ants that march in lines across patios. They come as a whole team.

Size
Workers 3–5mm
Look for them
March to October
Where
Lawns, paths and under paving slabs

My spotter's list

A whole line of them marches after you. Move your pointer and see.

When to look

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Ants

Good to know

Six things about ants

Trails

Follow the leader

Ants lay down scent trails to food, and the others follow them. That's why they march in lines.

Flying

Flying ant day

On warm, humid summer days, winged queens and males pour out of nests in huge swarms.

Farming

Ant farmers

They look after aphids, protecting them and "milking" them for the sugary honeydew they make.

Queen

A long-lived queen

A black garden ant queen can live for well over a decade.

Strength

Tiny weightlifters

An ant can carry many times its own body weight.

Workers

All girls

Every worker ant you see is female.

The real thing

Photos of ants

Black garden ant, photo 1
Photo: Carlos Delgado, CC BY-SA 3.0, Wikimedia Commons
Black garden ant, photo 2
Photo: Jason Berger, CC BY-SA 4.0, Wikimedia Commons
Black garden ant, photo 3
Photo: ImagePerson, CC BY 4.0, Wikimedia Commons
Out and about

How to spot them

Look for small mounds of fine soil between paving slabs or in the lawn. On a hot, still day in July or August, watch for the winged ants taking off.

Lend a hand

How to help

Leave their nests alone where you can. Ants air the soil, clear up dead insects and are food for birds such as green woodpeckers.

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