Identification of chemical oviposition stimulants from rice grain forSitophilus zeamais motschulsky (Coleoptera,Curculionidae) |
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| Authors: | Kazuyuki Maeshima Nanao Hayashi Tadayuki Murakami Fumiki Takahashi Hisashi Komae |
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| Affiliation: | (1) Department of Environmental Studies Faculty of Integrated Arts and Sciences, Hiroshima University, 730 Hiroshima, Japan |
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| Abstract: | Chemical components stimulating oviposition bySitophilus zeamais in rice grain were isolated from rice bran and were found to be a mixture of ferulates, diglycerides, and free sterols. Oviposition preference of the species can be induced by synergistic action of these compounds. |
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| Keywords: | Rice weevil Sitophilus zeamis Motschulsky oviposition preference ferulates (24-methylenecycloartanyl, cycloartenyl, sitosteryl, campesteryl) diglycerides (1,2-dilinoleic, 1,2-palmitic and linoleic), and sterols (campesterol, sitosterol, stigmasterol) |
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