Among the major stored grain pests, the rice weevil is certainly an extremely devastating pest. Scientifically known as sitophilus oryzae (Linneaus), the rice weevil is a small beetle of about ⅔ of an inch.
It varies in terms of coloration, ranging from reddish to brown black. Although there are other weevil that resemble the rice weevil in many aspects, they are not to be confused. It is widely known as rice pest and found in nearly all parts of the world. People often depict this weevil as the worst and most devastating stored product pest.
This is mainly because of the rapid breeding capability of this weevil. In fact it can breed continuously during the year if conditions are favorable. The longevity of Sitophilus oryzae (typically 4 to 5 months) make its control more challenging. A single female of rice weevil can lay up to 300 to 400 eggs during its lifetime. You can read more about the rice weevil here.