The presence of volunteer potato Solanum tuberosum L., cutleaf nightshade, S. triflorum N., and hairy nightshade, S. physalifolium Rusby (Solanales: Solanaceae), throughout potato crop rotations can diminish the effectiveness of crop rotations designed to control disease and pest problems associated with growing potatoes. In greenhouse bioassays, larvae of the Colorado potato beetle, Leptinotar...

Potato, Solanum tuberosum L., is one of the world’s principal food crops. Important potato insect pests include Colorado potato beetle, Leptinotarsa decemlineata Say, potato tuberworm, Phthorimaea operculella (Zeller), and aphids, especially as they transmit potato leafroll virus and potato virus Y. Management of insect pests of potato relies almost entirely on chemical insecticides. Potato bre...