Attraction of Coffee Bean Weevil, Araecerus fasciculatus, to Volatiles from the Industrial Yeast Kluyveromyces lactis
文献类型： 外文期刊
作者： Yang, Shuai 1 ; Mei, Xiang-Dong 1 ; Zhang, Xiao-Fang 2 ; Li, Yao-Fa 2 ; She, Dongmei 1 ; Zhang, Tao; Ning, Jun 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, 2 West Yuan Ming Yuan Rd, Beijing 100193, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Integrated Pest Management Ctr Hebei Prov, Key Lab IPM Crops Northern Reg North China, Inst Plant Protect,Minist Agr, 437 Dongguan St, Baoding City 071000, Hebei Province, Peoples R China
关键词： Coffee bean weevil;Araecerus fasciculatus;Kluyveromyces lactis;Yeast;Volatile;Behavioral bioassay;Trapping experiment
期刊名称：JOURNAL OF CHEMICAL ECOLOGY （ 影响因子：2.626； 五年影响因子：2.984 ）
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收录情况： SCI
摘要： The coffee bean weevil (CBW), Araecerus fasciculatus (De Geer, 1775) (Coleoptera: Anthribidae) is an important pest of stored products such as grains, coffee beans, cassava, and traditional Chinese medicine materials. In China, CBW causes large losses of Daqu, a traditional Chinese liquor fermentation starter, and, unfortunately, the use of conventional insecticides against CBW is not suitable in Daqu storage. We found CBW to be highly attracted to fermenting yeast cultures, such as Kluyveromyces lactis. Eight volatile compounds, produced by fermenting cultures and not by sterile samples, were identified by gas chromatography coupled with mass spectrometry. Five of these substances elicited significant responses in Y-tube behavioral bioassays. Field trapping experiments revealed 2-phenylethanol and 2-phenylethyl acetate to be crucial for attraction of CBW. Results show that yeast volatiles play an important role in host location, and that 2-phenylethanol and 2-phenylethyl acetate could be utilized as potential attractants in monitoring and control systems against this important pest.
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