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The Annona fruit borer, Cerconota anonella Sepp., is a serious agricultural pest in many tropical areas of the world. The identification of an attractant for male C. anonella could offer new methods for pest detection and control. A mixture of compounds extracted from female C. anonella elicited antennal depolarization in the male borer. These compounds were identified as octadecanal, 1-octadecanol, octadecyl acetate, (Z)-octadec-9-enal (Z9-18:Ald), (Z)-octadec-9-en-1-ol (Z9-18:OH) and [(Z)-octadec-9-enyl] acetate (Z9-18:Ac) by one-and two-dimensional gas chromatographymass spectrometry. In laboratory bioassays, synthetic individual compounds as well as synthetic mixtures were found to be attractive to males. In addition, field tests using Delta traps with 1 mg of the ternary mixture composed of Z9-18:Ac, Z9-18:Ald and Z9-18:OH in the ratio of 1 : 3 : 5 caught as many males as traps containing virgin females. The ternary mixture of Z9-18:Ac, Z9-18:Ald and Z9-18:OH was identified as attractant to C. anonella males and can be used to detect and control populations of this insect in Annonaceae plantations.
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