Black Garden Ant

The black garden ant (Lasius niger) is a formicine ant, the type species of the subgenus Lasius, found all over Europe and in some parts of North America and Asia. It is monogynous, meaning colonies have a single queen.

Attribute Description
Caste Monogyn
Queen phenotype 7–9 mm long, colour black
Worker phenotype 3–5 mm long, colour dark brown almost black
Soldier phenotype N/A
Nest building Nests underground, commonly under stones, but also in rotten wood
Nutrition Nectar, small insects, seeds, will farm aphids

Lasius niger colonies can reach in size up to around 15,000 workers but 4,000–7,000 is around average. A Lasius niger queen can live for around 12 years.

Lasius niger is host to a number of temporary social parasites of the Lasius mixtus group including Lasius mixtus and Lasius umbratus.

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