Evidence for allelochemical attraction of the coffee berry borer,Hypothenemus hampei, by coffee berries

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Abstract
Petri dish choice tests conducted on the coffee berry borer (CBB),Hypothenemus hampei, showed that females were able to discriminate between coffee berries at different ripening stages. A Y-shaped glass olfactometer was used to demonstrate that coffee berries emitted volatile chemicals that elicited upwind movement by female CBB. Olfactometer tests with three different solvent extracts of berries showed that at least some of the attractive chemical(s) released by the coffee berries could be extracted with acetone.