Journal
CANADIAN ENTOMOLOGIST
Volume 147, Issue 5, Pages 564-579Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.4039/tce.2014.67
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Funding
- Natural Resources Canada
- Canadian Forest Service
- United States Department of Agriculture Animal and Plant Health Inspection Service
- Ontario Ministry of Natural Resources
- Canadian Food Inspection Agency
- Forest Protection Limited
- SERG International
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Monochamol (2-undecyloxy-1-ethanol) is a male-produced aggregation pheromone for several Monochamus Dejean (Coleoptera: Cerambycidae) species. We conducted trapping experiments in Canada, Poland, and China to test whether monochamol was attractive to additional Monochamus species and if attraction was synergised by plant volatiles and bark beetle (Coleoptera: Curculionidae) pheromones. We provide the first evidence of attraction for M. urussovii (Fischer) and M. saltuarius (Gebler) to monochamol or monochamol + kairomones. The highest numbers of M. urussovii were captured in traps baited with monochamol + plant volatiles (Manuka oil, ethanol and (95/5 +/-) alpha-pinene). Captures of M. saltuarius were highest in traps baited with monochamol, with the addition of cubeb oil tending to reduce captures. The highest numbers of M. scutellatus (Say) were captured in traps baited with monochamol + kairomones. A similar pattern in trap captures was found for M. notatus (Drury), M. marmorator Kirby, M. carolinensis (Olivier), and M. mutator LeConte. Detection rates, that is, proportion of traps capturing at least one specimen, was highest for traps baited with monochamol plus kairomones, particularly for less-common species. These results support the emerging hypothesis that pheromone compounds can attract related cerambycid species with cumulative evidence for attraction to monochamol for 12 species of Monochamus worldwide.
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