How to clean:

Pour 3 cups into a medium mesh strainer over a white surface which is spread over a light box. Use vigorous back and forth motion to agitate rice inside the strainer. Check the white surface for the presence of insects.

 

If insects are found, the entire bag is likely to be infested and should not be used

Type of insects found:

Thrips, worms 

Where insects are found:

On top and inside the rice grain