タデ科に含まれる有機酸類のハムシ4種に対する摂食刺激活性

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For analyzing the host specificity of 4 species of Polygonaceae-feeding beetles, the feeding stimulation was investigated of 14 oganic acids including oxalic, malic, tartaric and citric acids, of which the latter four are generally the characteristic taste-substances of the polygona-ceous plants. To the strawberry leaf beetle, Callerucella vittaticollis (BALY) which feeds on strawberry leaves besides polygonaceous plants, only succinic acid was stimulative in the presence of sucrose, but none of other 13 acids tested was stimulative, although, malic and citric acids had been identified in strawberry leaves, and citric acid in Rumex obtusifolius leaves. The feeding of Gastrophysa atrocyana MOTSCHULSKY was stimulated by oxalic, malic, tartaric, and citric acids in combination with sucrose, but not without sucrose. Further, 8 saturated dicarboxylic acids from malonic to sebacic acid, and maleic and fumaric acids were also stimulative in the presence of sucrose. Callerucida bifasciata MOTSHULSKY was stimulated to feed by oxalic, malic, tartaric, and citric acids with or even without sucrose. Four saturated dicarboxylic acids from malonic to adipic acid, and maleic and fumaric acids were also effactive with sucrose. Although the tests were limited to 4 acids ; oxalic, malic, tartaric, and citric acids, the feeding of Gallerucida nigromaculata BALY was stimulated by all these acids with or without sucrose. From these results, G.atrocyana, G.bifasciata and G.nigromaculata are presumed to require these organic acids as feeding stimulants in their host selection, but G.vittaticollis does not.
日本応用動物昆虫学会の論文
1975-12-25

タデ科に含まれる有機酸類のハムシ4種に対する摂食刺激活性

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