Approximately, 500 g of Maize Kernels in glass jars were moisture equilibrated in an incubator for a period of one week before infesting with 300 unsexed weevils (Miller et al.,; 1969). [7], The maize weevil commonly attacks standing crops, in particular, maize before harvest, and is also commonly associated with rice. Population simulation model of Sitophilus zeamais (Coleoptera: Curculionidae) in grains stores in West Africa. The use of insecticides is discouraged around food Maceljski, M., Korunić, Z. “An egg hatches after five days, and the larva spends 25 days feeding on the grain. Grain that is to be stored for longer than six months may need a averaging about three thirty-second inch in length. 2003. We conducted a three-year study to find out what affected those infestation levels in the field, and we learned that hybrids can make a difference in the level of maize weevil infestation we see in fields. insects from entering the grain on the surface. Tank-mixing: In instances of high weevil complex pressure or suspected tolerance, the use of piperonyl butoxide (PBO) synergist may be used as a tank mix partner. use. It forms a staple food in some parts of India. Always follow the pesticide label directions attached to the pesticide container you are using. A possible indication of infestation is grain, when placed in water, floating to the surface. The maize weevil is found in all warm and tropical parts of the world. protective application of an approved insecticide. These weevils are very destructive grain pests. Peng, W.K., Lin, H.C., Wang, C.H. As S. zeamais larvae feed on the interior of individual grains, often leaving only the hulls, a flour-like grain dust, mixed with frass is evident. MAIZE:Post-harvest Operations Page 2 1. disease, pests to maize crop leading to fewer kernels in cobs; therefore, it is necessary to cultivate maize before heavy Fertile, light loamy and aize there are several types of maize corn and Flint. (Coleoptera, Dryophthoridae). Exposed adults. It varies from a dull red-brown to black, and is usually marked on the back with four light red to yellow spots. Prevention is the best strategy; but if resistance is covers literature review about maize, maize weevil, factors affecting maize storage, storage methods, hermetic storage, amaranth as a grain that is postulated to reduce maize weevil movement if blended with maize kernels during storage and physical disturbance of storage containers as method to control maize weevils. materials. hatches in a few days into a soft, white, legless, fleshly grub which should be contacted to perform the fumigation. Prabhakaran Nair, in The Agronomy and Economy of Turmeric and Ginger, 2013. The genitalic structure of hybrids is unknown. This is a pest that destroys stored maize, dried cassava, yams, sorghum and wheat. 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