Reptoria

Nylander's acorn ant (Temnothorax nylanderi)

Nylander's acorn ant (Temnothorax nylanderi), typical appearance of the species

Invertebrates · Difficulty: Beginner

Key facts and care guidance for Nylander's acorn ant (Temnothorax nylanderi) (origin: Europe). Adult size around worker 2–3 mm, queen 3–4 mm. Life expectancy queen 5–10 years. The values below are carefully researched guidance.

Short answers

Nylander's acorn ant: How big does the enclosure need to be?

A test tube or small nest plus a foraging area from 15×15 cm.

Nylander's acorn ant: What temperature does it need?

Daytime 20–25 °C, at night room temperature is enough.

Nylander's acorn ant: Does it need UVB lighting?

UVB: Not required.

Nylander's acorn ant: How long do they live?

Life expectancy: queen 5–10 years.

Nylander's acorn ant: Is it suitable for beginners?

Yes – it is considered suitable for beginners (difficulty: Beginner).

Climate

Daytime temperature
20–25 °C
Night temperature
room temperature is enough
Humidity
nest 50–70 %, foraging area 40–60 %
UVB
Not required

Enclosure

Minimum size
a test tube or small nest plus a foraging area from 15×15 cm
Substrate
A nest in an acorn, a branch or a test tube

Feeding

Food
Sugar water plus small insects
Feeding interval
sugar always available, insects 1–2×/week

Key facts

Adult size
worker 2–3 mm, queen 3–4 mm
Life expectancy
queen 5–10 years
Origin
Europe
Protection status
—
Brumation
Essential: October to March at 5–8 °C
Cohabitation
Colony per enclosure. These animals naturally live in groups and fare poorly alone. Never combine two colonies - unfamiliar animals are not readily accepted. Watch food and humidity closely once the colony grows.

Notes

It stays small (50–300 animals) and needs correspondingly little space — good for anyone who does not want to set up a large enclosure.

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Related species

All species in the care wiki →

What you need to start

To keep Nylander's acorn ant (Temnothorax nylanderi) you typically need: a suitable enclosure (a test tube or small nest plus a foraging area from 15×15 cm), substrate (A nest in an acorn, a branch or a test tube), a heat source with a thermostat, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.

The complete, interactive care database is in the Reptoria app.

Last updated: 9 October 2026 · Editor: Reptoria editorial team · Sources include: https://de.wikipedia.org/wiki/Temnothorax_nylanderi, https://en.wikipedia.org/wiki/Temnothorax_nylanderi

All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).