Some Effects of Sorghum Varieties on the Development of a Rice Weevil, Sitophilus zeamais (Coleoptera: Curculionidae)

Since 1957 it has been known that 2 species of rice weevils attack stored grain in the United States (Utida 1958). These have been determined as the rice weevil, Sitophilus oryzae (L.), and Sitophilus zeamais Motschulsky (Kuschel 1961).