Temnothorax albipennis

Temnothorax albipennis is the species for anyone charmed by the miniature. These tiny ants famously make their entire home inside a single acorn or a small rock crevice — a complete colony you could hold between two fingers. They’re calm, tidy, and undemanding, and an established colony lives happily in a test tube or a small acrylic nest indefinitely.

Keeping notes

Founding is fully claustral and the colony grows slowly to a modest final size, so you never face the frantic nest upgrades that a Lasius colony demands. Their tiny scale means feeding is minimal — a small drop of sugar and the occasional fruit fly satisfies them.

Because they’re so small, escape-proofing must be meticulous: gaps you’d never notice are motorways to a Temnothorax. Otherwise they’re one of the most low-maintenance keeps in the hobby.

Watch for

• Scale — everything is tiny; use fine tweezers and check barriers closely.
• Slow growth and a small final colony — ideal for limited space, less so if you want a big colony fast.
• Fascinating to observe under a loupe or macro lens.