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Field evaluation of 3-hydroxy-2-hexanone and ethanol as attractants for the cerambycid beetle pest of vineyards, Xylotrechus arvicola

Field evaluation of 3-hydroxy-2-hexanone and ethanol as attractants for the cerambycid beetle pest of vineyards, Xylotrechus arvicola

Rodriguez-Gonzalez, Alvaro, Sanchez-Maillo, Esteban, Pelaez, Horacio J., Gonzalez-Nunez, Manuel, Hall, David R. ORCID: 0000-0002-7887-466X and Casquero, Pedro A. (2017) Field evaluation of 3-hydroxy-2-hexanone and ethanol as attractants for the cerambycid beetle pest of vineyards, Xylotrechus arvicola. Pest Management Science, 73 (8). pp. 1598-1603. ISSN 1526-498X (Print), 1526-4998 (Online) (doi:https://doi.org/10.1002/ps.4491)

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Abstract

BACKGROUND: The beetle Xylotrechus arvicola (Coleoptera: Cerambycidae) is a serious pest of vineyards in the Iberian Peninsula. In previous work, the male beetles, but not females, were shown to produce (R)-3-hydroxy-2-hexanone, and female beetles were attracted to this compound in a laboratory bioassay. In this study, release rates of 3-hydroxy-2-hexanone from different dispensers were measured in the laboratory and the attractiveness of these to X. arvicola adults determined in trapping tests in three traditional wine-growing regions in Spain.

RESULTS: As a result of laboratory experiments, for field experiments 3-hydroxy-2-hexanone was formulated as 100 µl in a polyethylene sachet (50 mm x 50 mm x 250 µ) and ethanol was formulated as 1 ml in a polyethylene press-seal bag (76 mm x 57 mm x 50 µ). Field catches were similar at all three study sites. Catches in traps baited with 3-hydroxy-2-hexanone alone were not significantly different from those in unbaited control traps, but catches in traps baited with 3-hydroxy-2-hexanone and ethanol in separate sachets, with 3-hydroxy-2-hexanone and ethanol in the same sachet, or with ethanol alone, were significantly greater than those in control traps. These results confirm that the beetles are attracted to ethanol and addition of 3-hydroxy-2-hexanone does not seem to make any difference.

CONCLUSIONS: Attraction of females for the male-produced compound, (R)-3-hydroxy-2-hexanone, has been observed in laboratory but not in field experiments. Traps baited with ethanol are highly attractive to both sexes of adults of X. arvicola, and these can be used for improved monitoring of the adult emergence and for population control by mass trapping.

Item Type: Article
Uncontrolled Keywords: Xylotrechus arvicola, Cerambycidae, (R)-3-hydroxy-2-hexanone, Ethanol, Panel traps, Monitoring
Subjects: S Agriculture > S Agriculture (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Last Modified: 30 Apr 2018 10:58
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: GREAT c
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/16619

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