Several species of "Curculio" weevils infest the acorns. Control of the plum curculio is fairly easy to maintain. "Curculio glandium" is a member of the genus "Curculio," which comprises seed beetles. The rhubarb curculio, "Lixus concavus", is a weevil. Plautus in his play "Curculio" refers to it. It was first described in 1775 in the genus Curculio. Phaedromus sends Curculio (a stock parasite character) to borrow money. Curculio occidentis, the filbert weevil, is a species of weevil in the genus "Curculio". The braconid wasp "Rhaconotus fasciatus" is the only recorded parasitoid of the rhubarb curculio. In "Curculio", Phaedrome says "I am a God" when he first meets with Planesium. "Curculio glandium" live throughout winter in the larval stage. Plum curculio beetles can cause irreparable damage to a fruit harvest. The curculio beetle eats the edges of leaves, leaving sawtooth damage. "Curculio occidentis" is native to the western side of North America. Curculio glandium is a species of carpophagus weevil, known as the acorn weevil.