Abstract
The redbay ambrosia beetle, Xyleborus glabratus, is an invasive wood-boring beetle that has become established in the southeastern United States. The beetle transmits the causal pathogen of lethal laurel wilt to susceptible host trees, which include redbay, an important forest community species, and avocado, a valuable food crop. By examining odors of redbay wood, we developed an artificial lure that captured X. glabratus in redbay forests. Eucalyptol was a critical component of the blend for beetle attraction, and eucalyptol alone in large quantities attracted X. glabratus. Furthermore, eucalyptol stimulated boring by X. glabratus into paper arenas. The results suggest that eucalyptol contributes to host selection behavior of X. glabratus and may be useful for management of this pathogen vector.
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Acknowledgments
We thank two anonymous reviewers for their advice that improved a previous version of the manuscript. Jack Smoot and Russell Rouseff provided insights for and assisted with gas chromatography/mass spectrometry. We acknowledge Alice Bard for her help in securing appropriate permits from FDEP. Alpha Scents, Inc. graciously provided prototype lures for field trials. Funding for this research was provided by NIFA (USDA-SCRI) grant number 2009-51181-05915.
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Kuhns, E.H., Martini, X., Tribuiani, Y. et al. Eucalyptol is an Attractant of the Redbay Ambrosia Beetle, Xyleborus Glabratus . J Chem Ecol 40, 355–362 (2014). https://doi.org/10.1007/s10886-014-0427-z
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DOI: https://doi.org/10.1007/s10886-014-0427-z