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Maize weevil (Sitophilus zeamais) is a very destructive pest of stored maize, accounting for about 15 – 25 % of loss, and sometimes 100% in severe infestation. Synthetic pesticide is often the first step of control, which is often costly, scarce, detrimental to the environment and human health. As a result, more environmentally friend options like the use of botanicals are encouraged, in line with...