Prenolepis imparis
Hormiga de invierno
Prenolepis imparis
Winter Ant
The only ant active in the dead of winter. Forages at temperatures near 0°C. Workers store fat in their abdomen during summer to survive winter. Fascinating for its biology, which is the inverse of most species.
0–20 °C
50–70%
1,000–8,000
Not required
→ Medium
Every 7 days
Recommended feeding
Carbohydrates
Proteins
Slow metabolism. Eats little. Very active in autumn-winter. Does not eat in summer (estivation).
January – March
Cold winter days! (2–10°C). The only ant that flies in winter. Sunny days with snow around.
One of the most unusual nuptial flights among ants. Queens are small and glossy black.
Inverse behavior: active from October to April, in estivation from June to September. Tolerates mild frost.
Queen activity by month
Estimated queen fertility (%)
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