Formica cinerea
The silver field ant of sandy places: very fast, aggressive and sprays formic acid.
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Species at a glance
- Origin: from western Europe to East Asia, including Ukraine; dunes, sandy grassland and heath
- Size: queen 8–10 mm; workers 4–7 mm
- Colony: large colonies, often with several queens and nests
- Difficulty: intermediate, for keepers with some experience
Care conditions
- Temperature: 20–28 °C with a 26–28 °C warm zone
- Humidity: 40–60%
- Food: small insects 2–3 times a week, honey or sugar water almost constantly, fresh water
Hibernation
Essential: 3–5 months at about 5 °C, from late autumn to early spring.
Farm and colony growth
The queen is semi-claustral: until the first workers appear, usually after 6–8 weeks, she needs a small arena, sugar water and tiny portions of protein every 2–3 days. The ants are fast and sensitive to vibration and light, so keep the farm somewhere calm.