Bill Gates displays a Purdue Improved Cowpea Storage bag
Insects are known to feed on very dry substances (such as seeds, hair & flour) without the need to drink water. How do insects remain hydrated with nothing to drink? Metabolic water.
In the process of turning sugar into energy, cells add oxygen to sugar to produce energy, carbon dioxide and water. As long as the insects have adequate supply of food and oxygen, they can produce their own water. The metabolic water is very efficiently…
Source: Living With Insects Blog