Bugs in food

[brandipals]

So we found these bugs in our chicken scratch and food. We dumped them out and deep cleaned the totes they were in. Can anyone tell me what they are and how to prevent them from coming back? Thank you in advance.

 

[rosemarythyme]

Grain weevils: https://en.wikipedia.org/wiki/Wheat_weevil

 

[brandipals]

Grain weevils: https://en.wikipedia.org/wiki/Wheat_weevil

Thank you!