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NATURE & GASTRONOMY

  

 

 

  mud wasps

 

Thailand

Mud wasps in Chiang Mai province making tubular entrances to their nest open mud-tubes that form straight chimneys above the nest's holes in order to raise the entrances above the surrounding vegetation.

 

The tube is composed of a series of little pellets of sand and mud, which the wasps stick together with the help of their mouth secretions, until a kind of open mud-tube is formed (fig.).

 

  mud wasps