星天牛幼虫龄期的划分
Determination of larval instars of citrus longhorned beetle, Anoplophora chinensis (Coleoptera: Cerambycidae)
张海滨1,2**,王建伟3,朱小峰2,陈学新1***
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作者单位：1浙江大学昆虫研究所杭州310029；2湖州出入境检验检疫局湖州313000；3浙江出入境检验检疫局杭州310000
中文关键词：星天牛, 形态结构, 龄期判定
英文关键词：citrus longhorned beetle, morphological structures, instars determination
中文摘要： 本文测量了人工饲养的星天牛Anoplophora chinensis (Forster)幼虫的9个形态结构数据，运用频次分布、均差分析和回归分析对测量数据进行统计分析，结果表明，星天牛幼虫可分5龄，其额宽是最佳的分龄结构，其次是上颚长和上颚宽。
英文摘要： Nine morphological structures of larvae of the citrus longhorned beetle, Anoplophora chinensis (Forster) (Coleoptera: Cerambycidae) were measured and analyzed statistically. The results indicate that the larval stage can be divided into five instars for which forehead width is the best indicator followed by mandible length and mandible width.