Maize weevil - Sitophilus zeamais
Maize weevil - Sitophilus zeamais
Maize weevil - Sitophilus zeamais
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PaDIL - Plant Biosecurity Toolboxhttp://www.padil.gov.au/pbt | <strong>Maize</strong> <strong>weevil</strong> - <strong>Sitophilus</strong> <strong>zeamais</strong>Figure 3. <strong>Sitophilus</strong> <strong>zeamais</strong> infesting maize cobs. Image: University of Georgia Archive, University ofGeorgia, Bugwood.org http://www.forestryimages.org/browse/detail.cfm?imgnum=1673036Figure 4. <strong>Maize</strong> cobs infested with <strong>Sitophilus</strong> <strong>zeamais</strong>. Image: Frank Peairs, Colorado State University,United States http://www.forestryimages.org/browse/detail.cfm?imgnum=1481061Sites of Infection/InfestationCommonly associated with corn and rice in warm humid areas, and also in tropical standing crops (Figs.1, 2, 3, 4). It has been found to attack fruit, such as apples, in storage. S. <strong>zeamais</strong> is a major pest of storedrice, but is of less importance in wheat. They cannot breed in finely processed grain but will readily breedin manufactured flour products such as macaroni and noodles, and also in milled cereals that have becomecaked from excess moisture.Last Updated: 27 November 2009 | PDF Made Date: 18 March 2012 | page 8 / 19
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