A Weevil is a type of beetle from the Curculionidae superfamily. They are usually small,less than 6 mm and herbivorous. Many weevils are considered pests because of their ability to damage and kill crops, but others are used for biological control of invasive plants. Some weevils have the ability to fly, such as the rice weevil. Weevils lifespan is in summer days can be of just 2 weeks and at cooler temperature they can survive for 5 week,but the adults can can survive for 8 months after emerging.