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Formica sanguinea

The blood-red slave-maker ant: workers raid other Formica nests and bring back pupae that grow into helper workers.

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Species at a glance

  • Origin: Eurasia from the British Isles to Japan, including Ukraine
  • Size: queen 9–11 mm; workers 6–9 mm
  • Colony: up to 5,000 ants; colonies live for many years
  • Difficulty: high, for experienced keepers only

Care conditions

  • Temperature: 20–28 °C with a 26–28 °C warm spot by day
  • Humidity: 50–70%
  • Food: protein first: small freshly killed insects, optionally lean meat or fish; honey or sugar water

Hibernation

Essential: 3–4 months at about 5 °C, usually November to late February.

Farm and colony growth

The queen cannot found a colony alone: she needs a small queenless host colony such as Formica fusca or Formica cunicularia. The ants are fast, aggressive and prone to escaping.

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