Abstract Field evaluation of six grain storage technologies under hot and arid conditions (32–42 °C; rainfall < 450 mm/year) in two locations Zimbabwe were conducted over seasons. The treatments included three hermetic (Purdue Improved Crop Storage bags, GrainPro Super Grainbags, metal silos); synthetic pesticide-based treatments; an untreated control, all using threshed sorghum grain. Sampl...

Abstract Background Domestication usually has negative effects on insect performance, especially when they are reared continuously for many generations. Rejuvenation can reduce the of domestication in parasitoid, Trichogramma brassicae Bezdenko (Hymenoptera: Trichogrammatidae) 30 generations (G) Sitotroga cerealella (Olivier) (Lepidoptera: Gelechiidae). Life table and parasitism parameters prim...

Ann. Entomol. Soc. Am. 81(6): 899-912 (1988) ABSTRACT Insect populations infesting a small bulk of corn stored in southeastern Georgia were followed for 8 yr by monthly sampling beginning 8 mo after the corn was placed in storage. The species composition of the insect community changed as the corn deteriorated. Nine species became dominant at some stage of succession. Sitotroga cerealella (Oliv...