Concept:Storage pests are organisms that damage grains and other crops kept in storage.
Explanation:Weevils commonly attack stored crops such as rice, wheat, and maize.
They bore into the grains and feed on them, causing severe loss.
Grasshoppers and crickets usually damage crops while they are still growing in the field.
Millipedes feed mainly on decaying plant matter and do not attack healthy stored crops.
Therefore, among the listed options, weevils are the typical storage pests of crops.
Answer:D. Weevils