Flour has worms can still eat it flour inside long insects mainly because the storage environment is too humid, resulting in an increase in the moisture content of the flour, conducive to the reproduction of insects, if the number of insects in the flour is very small, and is the larvae, then sieve a sieve can still be eaten, but if the flour appeared in a large number of adult worms, don't eat it.
Once the flour or rice has worms, don't take it into the sun. Insects can be divided into small plastic bags of flour or rice, placed in the freezer in the refrigerator for 10 hours, not only can kill adult insects, and can kill the eggs, remove the sieve out of the dead insects can be.