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萧氏松茎象幼虫龄数的估测

Keywords: 萧氏松茎象,幼虫,龄数

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Abstract:

室内和林间调查的结果表明,萧氏松茎象hylobitelusxiaoizhang幼虫期为5~7龄。该虫在林间以老熟幼虫的前1龄幼虫,即以第4~6龄幼虫越冬,其中以5~6龄幼虫为主,4龄幼虫仅占少数

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