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European fire ant (Myrmica rubra)

Invertebrates · Difficulty: Beginner

Key facts and care guidance for European fire ant (Myrmica rubra) (origin: Europe). Adult size around worker 4–6 mm, queen 6–7 mm. Life expectancy queen 10–15 years. The values below are carefully researched guidance.

Short answers

European fire ant: How big does the enclosure need to be?

Nest from 10×10 cm plus a foraging area from 20×20 cm.

European fire ant: What temperature does it need?

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

European fire ant: Does it need UVB lighting?

UVB: Not required.

European fire ant: How long do they live?

Life expectancy: queen 10–15 years.

European fire 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 60–80 %, foraging area 40–60 %
UVB
Not required

Enclosure

Minimum size
nest from 10×10 cm plus a foraging area from 20×20 cm
Substrate
An aerated-concrete or plaster nest, damp

Feeding

Food
Sugar water plus insects
Feeding interval
sugar always available, insects 2–3×/week

Key facts

Adult size
worker 4–6 mm, queen 6–7 mm
Life expectancy
queen 10–15 years
Origin
Europe
Protection status
—
Brumation
Essential: October to March at 5–8 °C
Cohabitation
Colony per enclosure. Polygynous - several queens are normal, averaging around fifteen and up to a hundred per nest in the wild. These animals naturally live in groups. Never combine two colonies - unfamiliar animals are not readily accepted.

Notes

Defensive and with a working sting: stings are harmless to humans but noticeable. It needs it permanently damp.

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Related species

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What you need to start

To keep European fire ant (Myrmica rubra) you typically need: a suitable enclosure (nest from 10×10 cm plus a foraging area from 20×20 cm), substrate (An aerated-concrete or plaster nest, damp), 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: 25 September 2026 · Editor: Reptoria editorial team · Sources include: https://de.wikipedia.org/wiki/Rote_Gartenameise, https://en.wikipedia.org/wiki/Myrmica_rubra

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).