Sitona is a genus of small beetles belonging to the family Curculionidae, commonly known as weevils. These insects are typically found in agricultural fields and grasslands. Sitona weevils are characterized by their elongated bodies, curved snouts, and distinct coloration, often featuring a combination of black, brown, and gray. They are known to feed on the roots of leguminous plants, causing damage to crops such as peas, beans, and clover.