Issue:ISSN 2095-1353
CN 11-6020/Q
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2012年49 No.5
Biology of Chelisoches morio as an enemy of Brontispa longissima
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Key Words：Chelisoches morio，Brontispa longissima，mating，breeding，feeding
Abstract：Chelisoches morio(Fabricius)is a native natural enemy of Brontispa longissima (Gestro)， which is an invasivepest in China． To understand the biology and feeding capacity ofC． morio，its morphology，development，breeding andfeeding were observed and evaluated． The female laid her eggs together，hatching them under its body and replacing eggswith it mouth．If females are disturbed they eat their eggs and nymphs． At (20 ±2)℃，development from eggs to adults took (107.9 ±15.2) days and each female laid (138.7 ±59.5)eggs on average． AdultC． morio consumed an average of (6.7 ±1.1) second instarB． longissimaevery day． Choice tests showed that adult and 4 th ． morio prefered 2 nd ． longissimainstarBinstarC，while 3 rd ． morio prefered 1 st ．longissima．instarBand 2 nd instarC