Antkeeping
All species Guide

Black garden ant

Lasius niger

Beginner Several thousand workers
Temperature 21–25 °C
Humidity 50–70 %
Hibernation November – February

Where it comes from

Range
Across Europe and much of the Palaearctic
Size
Workers 3–5 mm, queen 8–9 mm
Queens
One queen; several may found together and all but one are killed

Keeping them

Diet
Sugar water and small insects
Founding
Fully claustral — the queen needs no food until her first workers
Brood development
Egg to worker in roughly 6–8 weeks at 24 °C
Nest
Ytong, plaster or acrylic with one damp end and one dry end
Wintering
5–10 °C — a cellar, an unheated room or the salad drawer

The classic first colony: forgiving about humidity, quick to grow and happy to eat almost anything you offer.

Check it yourself

General guidance from the usual beginner references — treat it as a starting point, not as a rule your colony has agreed to.

Start a colony with this species