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Combining pheromone and kairomones for effective trapping of the Pine Sawyer Beetle Monochamus galloprovincialis

Combining pheromone and kairomones for effective trapping of the Pine Sawyer Beetle Monochamus galloprovincialis

Alvarez, Gonzalo, Gallego, Diego, Hall, David, Jactel, Herve and Pajares, Juan A. (2016) Combining pheromone and kairomones for effective trapping of the Pine Sawyer Beetle Monochamus galloprovincialis. Journal of Applied Entomology, 140 (1-2). pp. 58-71. ISSN 0931-2048 (Print), 1439-0418 (Online) (doi:10.1111/jen.12297)

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Abstract

Monochamus galloprovincialis (Olivier) (Coleoptera: Cerambycidae) is a secondary wood borer that acquired primordial importance since it was identified as the European vector of Bursaphelenchus xylophilus, the causal agent of pine wilt disease (PWD). An effective trapping method is needed as a tool for managing this insect vector and allowing early detection of nematode transportation. Among effective attractants identified in recent years are the specific M. galloprovincialis aggregation pheromone, host pine kairomones such as a-pinene and bark beetle kairomones like ipsenol and methyl-butenol. The main objective of this study was to optimize the combination of these volatiles to improve lure attractiveness and specificity. Based on ten complementary field experiments, we found a pheromone dose-response of trap catches. The best combination of attractants was the aggregation pheromone plus two bark beetle kairomones, ipsenol and methyl-butenol. Addition of pine terpenes, such as a-pinene, did not significantly improve M. galloprovincialis trap capture, but did increase catch of non target species, including natural enemies. The use of pine terpenes would be advisable only if prioritorizing to maximize removal of vectors. While this research has lead to the development a new, highly attractive commercial lure for mature pine sawyers, none of the tested blends were successful in attracting immature pine sawyer adults. Further investigation is needed to develop attractants for these beetles.

Item Type: Article
Uncontrolled Keywords: 2-(undecyloxy)-ethanol, Bursaphelenchus xylophilus, Ipsenol, Methyl-butenol, Pheromone, a-pinene
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute > Chemical Ecology Research Group
Last Modified: 03 May 2018 01:18
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: GREAT a
URI: http://gala.gre.ac.uk/id/eprint/14624

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