Cereal Chem. 73(6):744-750 Lesser grain borer (Rhyzopertha dominica), red flour beetle (Tribolium flour beetle caused some off-odor. The other three insects caused little or castaneum), rice weevil (Sitophilus oryzae), saw-toothed grain beetle no objectionable odor, even though infestation was heavy. High concen(Oryzaephilus surinamensis), and rusty grain beetle (Cryptolestes fertrations of 2-p...

the cowpea seed beetle, callosobruchus maculatus (fab.) (coleoptera: chrysomelidae: bruchinae) is one of the major pests infesting stored pulses and is distributed worldwide. in this research, efficiency of plant extracts from eucalyptus globulus labill. and eucalyptus camaldulensis dehnh. were tested against the cowpea seed beetle for its antifeedant activity. several experiments were designed...