Question

How do we lose stored grains and how it can be controlled​

Answer 1

Even though most of these insects will not feed on whole grain, their biological processes produce heat and moisture which can greatly reduce the stored grain's quality. Level the grain surface once the bin has been filled. This will allow for good air flow and thus improved moisture and temperature control...

..hope it is helpful

Answer 2

The most effective way to manage stored grain pests is to avoid them. The goal of sanitation is to eliminate insect eggs, pupae, and adults. Never put newly harvested grain into bins containing old grain