California prionus beetle. Prionus californicus. prionus root borer. A large, boring insect whose larva feed on the roots of a variety of trees and shrubs often killing them. Stickers #490031368
California prionus beetle. Prionus californicus. prionus root borer. A large, boring insect whose larva feed on the roots of a variety of trees and shrubs often killing them. Poster #490031368
