Diaprepes root weevil poses a serious threat to California agriculture. This weevil can complete its life cycle on a large number of plants, including most varieties of citrus. The aboveground life stages, the adults and eggs, are difficult to see because they are hidden in the foliage of plants. The larval stage spends most of its time below the soilís surface feeding on the roots of plants. This feeding activity not only removes root tissue needed by the plant but also provides openings for pathogens found in the soil. Man is extremely good at unknowingly moving this insect to new locations.