期刊
EUROPEAN JOURNAL OF ENTOMOLOGY
卷 114, 期 -, 页码 53-60出版社
CZECH ACAD SCI, INST ENTOMOLOGY
DOI: 10.14411/eje.2017.008
关键词
Coleoptera; Curculionidae; Dendroctonus armandi; trans-verbenol; verbenone; electrophysiological (EAG); olfactory assays (Y-tube assays); field trials
类别
资金
- National Natural Science Foundation of China [31670658]
- Program for Changjiang Scholars and Innovative Research Team at the University of China [IRT1035]
The Chinese white pine beetle, Dendroctonus armandi Tsai and Li is a native species of bark beetle and one of the most destructive in much of western China. Little is known about the characterization of the pheromones trans-verbenol and verbenone, and their functions in D. armandi are unknown. Electroantennogram tests (EAG) and olfactory assays (Y-tube assays) in the laboratory revealed that (1) trans-verbenol may be an anti-aggregation pheromone for male and an aggregation pheromone for female D. armandi and (2) female beetles are more attracted to controls (hexane) than low concentrations of verbenone and male beetles more attracted to controls than high concentrations of verbenone. Field trials indicated that the addition of verbenone to bait used to trap D. armandi remarkably decreased the efficiency of field trapping. These results indicate that verbenone is an anti-aggregation pheromone for male D. armandi. This research provides evidence of the role of verbenone among the different types of pheromones. The pheromone verbenone clearly could be used to protect healthy Chinese white pines.
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