Yellow meadow ant (Lasius flavus)
Invertebrates · Difficulty: Beginner
Key facts and care guidance for Yellow meadow ant (Lasius flavus) (origin: Europe). Adult size around worker 2–4 mm, queen 7–9 mm. Life expectancy queen up to 20 years. The values below are carefully researched guidance.
Short answers
Yellow meadow ant: How big does the enclosure need to be?
Nest from 10×10 cm plus a foraging area from 20×20 cm.
Yellow meadow ant: What temperature does it need?
Daytime 20–24 °C, at night room temperature is enough.
Yellow meadow ant: Does it need UVB lighting?
UVB: Not required.
Yellow meadow ant: How long do they live?
Life expectancy: queen up to 20 years.
Yellow meadow ant: Is it suitable for beginners?
Yes – it is considered suitable for beginners (difficulty: Beginner).
Climate
- Daytime temperature
- 20–24 °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 earth nest or aerated concrete, kept nicely damp
Feeding
- Food
- Mostly sugar water, few insects
- Feeding interval
- sugar always available, insects 1–2×/week
Key facts
- Adult size
- worker 2–4 mm, queen 7–9 mm
- Life expectancy
- queen up to 20 years
- Origin
- Europe
- Protection status
- —
- Brumation
- Essential: October to March at 5–8 °C
- Cohabitation
- Colony per enclosure. Usually monogynous once established, even though several queens can found together. These animals naturally live in groups. Never combine two colonies - unfamiliar animals are not readily accepted.
Notes
It lives almost entirely underground — you see little of it. Anyone looking for something to watch is better served by Lasius niger.
Do you keep this species?
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Related species
- Black garden ant (Lasius niger) – Beginner
- Asian carpenter ant (Camponotus nicobarensis) – Beginner
- Leafcutter ant (Acromyrmex octospinosus) – Experts
- Nylander's acorn ant (Temnothorax nylanderi) – Beginner
- European fire ant (Manica rubida) – Intermediate
- Brown-black carpenter ant (Camponotus ligniperda) – Intermediate
- Harvester ant (Messor barbarus) – Beginner
- Silky field ant (Formica fusca) – Beginner
What you need to start
To keep Yellow meadow ant (Lasius flavus) you typically need: a suitable enclosure (nest from 10×10 cm plus a foraging area from 20×20 cm), substrate (An earth nest or aerated concrete, kept nicely 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: 9 October 2026 · Editor: Reptoria editorial team · Sources include: https://de.wikipedia.org/wiki/Gelbe_Wiesenameise, https://en.wikipedia.org/wiki/Lasius_flavus
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).