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Coffee flower volatiles with ethanol and methanol are synergistic for the attracton of Hypothenemus hampei (Ferrari) in coffee growing areas In this study, it was tested the attractiveness of new semiochemicals to coffee berry borer females, Hypothenemus hampei (Ferrari), that is the most important pest of coffee in the world. Traps baited with coffee flower volatile compounds ’CFloC’ (1:1:1:1 mixture of methyl salycilate, citral, geraniol, and nerol), coffee fruit volatile compounds (i.e., 1:1:1:1:1 mixture of 2-heptanol, 2-heptanone, benzaldehyde, ethylbenzene, and (R)-(+)-limonene) and scolytine (bark beetles) host plant volatile compounds ‘CS’ (1:1:1:1:1:1 mixture of (-)-αpinene, (+)-α-pinene, (-)-β-pinene, 2-phenylethanol, myrcene, and myrtenol) were tested in combination or not with ethanol and methanol "E:M" (1:1 mixture) in a coffee growing area located in Inconfidentes, MG, Brazil. The most relevant result is that traps baited with CFloC + E:M attracted significantly more coffee berry borer adults than the other treatments. On the other hand, traps baited with coffee fruits volatile compounds ‘CFruC’ + E:M were similar to the ones bated with E:M. Yet traps with CS + E:M attracted significantly less beetles than traps with E:M. A significant number of other Scolytinae species were also attracted by CFloC + E:M and E:M. Moreover, a very low number of other insects from, at least, eight orders were also attracted by these two treatments. Taken together, these results offer compelling evidences that CFloC and E:M are synergistic for the capture of H. hampei, promoting the development of a new strategy for the integrated management of this species in coffee growers.

Voláteis de flores de café com etanol e metanol são sinérgicos para a atração de <i>Hypothenemus hampei</i> (Ferrari) em cafezais