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Blending synthetic pheromones of cerambycid beetles to develop trap lures that simultaneously attract multiple species

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Title: Blending synthetic pheromones of cerambycid beetles to develop trap lures that simultaneously attract multiple species
Author(s): Wong, Joseph
Advisor(s): Hanks, Lawrence M.
Department / Program: Entomology
Discipline: Entomology
Degree Granting Institution: University of Illinois at Urbana-Champaign
Degree: M.S.
Genre: Masters
Subject(s): Cerambycidae inhibition synergism 3-hydroxy-2-hexanone 3-hexanediol fuscumol acetate
Abstract: We evaluated attraction of cerambycid beetle species to blends of known cerambycid pheromones to determine whether such blends could be used as effective trap lures for detecting and monitoring multiple species simultaneously. Pheromone-baited traps captured 1,358 cerambycid beetles, of which 1,101 (81.1%) belonged to three species in the subfamily Cerambycinae: Neoclytus acuminatus (F.), Neoclytus mucronatus (F.), and Xylotrechus colonus (F.). Beetles of these species were significantly attracted to synthetic blends that contained their pheromone components (isomers of 3-hydroxy-2-hexanone and/or 2,3-hexanediol), despite the presence of pheromone components of different species, including other isomers of 2,3- hexanediol, (E/Z)-6,10-dimethyl-5,9-undecadien-2-yl acetate, and citral. In some cases attraction was partially inhibited by the pheromone components of heterospecific species, whereas for N. acuminatus, attraction was completely inhibited when blends contained (2R*,3S*)-hexanediol, the racemic mixture of diastereomers of its pheromone, (2S,3S)-hexanediol. Among the remaining beetles captured were three species in the subfamily Lamiinae: Astyleiopus variegatus (Haldeman), Graphisurus fasciatus (Degeer), and Lepturges angulatus (LeConte). All three lamiine species were previously known to be attracted to (E/Z)-6,10-dimethyl-5,9-undecadien-2- yl acetate, and were captured in significant numbers by blends containing that compound. Our results suggest that different types of cerambycid pheromones can be combined to create effective multi-species lures for use in surveillance programs that target exotic cerambycid species.
Issue Date: 2012-02-01
Genre: thesis
URI: http://hdl.handle.net/2142/29447
Rights Information: Copyright 2011 Joseph C Wong
Date Available in IDEALS: 2012-02-01
2014-02-01
Date Deposited: 2011-12
 

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