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KMID : 0613820150250121445
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Journal of Life Science
2015 Volume.25 No. 12 p.1445 ~ p.1449
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Field Bioassay for Longhorn Pine Sawyer Beetle Monochamus alternatus (Coleoptera: Cerambycidae) in Korea Based on Aggregation Pheromone 2-(Undecyloxy)ethanol
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Lee Sung-Min
Hong Do-Kyung
Park Jong-Seong
Lee Jin-Ho
Jang Sei-Heon
Lee Chang-Woo
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Abstract
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The pinewood nematode Bursaphelenchus xylophilus (Nematoda: Parasitaphelenchidae) poses a serious threat to pine forests in Europe and East Asia, leading to a debilitating pine wilt disease. Infected pine trees in Korea are generally fumigated or crushed to small wood chips after felling. Although pine wilt disease often recurs in pest management sites, there are no adequate means to monitor the effectiveness of pest control measures in those sites. Recently, a male-produced aggregation pheromone, 2-(undecyloxy)ethanol, was shown to be useful for attracting several Monochamus species, which are vectors for the pinewood nematodes. In this study, we investigated the abilities of 2-(undecyloxy)ethanol at three different doses (175, 350, and 700 mg), as well as host plant volatiles (α-pinene and ethanol), to attract M. alternatus (Coleoptera: Cerambycidae) at a pine forest in Pohang, Korea where infected pine trees had been cut down and fumigated. Twenty-seven M. alternatus were captured in cross-vane panel traps made of polyethylene terephthalate bottles and acrylic sheets. The results indicate that a high dose of 2-(undecyloxy)ethanol (700 mg per trap) is the most effective for attracting M. alternatus. The aggregation pheromone could be used to monitor the effectiveness of pest control measures as well as M. alternatus populations.
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KEYWORD
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Aggregation pheromone, cross-vane panel trap, Monochamus alternatus, pine wilt disease, pinewood nematode
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