Image: How Cool is That? - Nic van Oudtshoorn
A female paper wasp (Polistes sp.) carries a drop of water in her mandibles to place inside an egg chamber. The evaporating water acts as an air-conditioner, cooling down the nest. If it gets very hot, the wasp fans the water drop with her wings to speed up evaporation.
- Nic van Oudtshoorn
- © Nic van Oudtshoorn