食蚜瘿蚊全虫态形态记述

Morphological ontogeny of Aphidoletes aphidimyza(Rondani)

【目的】基于实验室饲养的食蚜瘿蚊Aphidoletes aphidimyza (Rondani)进行个体发育的形态特征描述。为食蚜瘿蚊的鉴定提供基本信息。【方法】在野外采集幼虫,温度(25±1)℃、相对湿度65%±5%、光照16 L∶8 D的室内条件下饲养获得食蚜瘿蚊卵、幼虫、蛹和成虫的全部虫态。通过数码采集和电子显微镜详细描述了各虫态的发育特征。【结果】食蚜瘿蚊卵的发育历期为2 d,幼虫期有3个龄期,发育历期5-8 d,蛹期7-10 d以及成虫期3-4 d。【结论】食蚜瘿蚊个体发育特征对食蚜瘿蚊的鉴定和分类有指导意义。

[Obiectives] The morphological ontogeny of the gall midge, Aphidoletes aphidimyza(Rondani), was described based on laboratory-reared specimens in order to provide a basis for the identification of A. aphidimyza. [Methods] The larvae of A. aphidimyza were originally collected in the field, then reared in a laboratory chamber at(25±1)℃, 85%±5% RH under a photoperiod of 16︰8(L︰D). We collected individually reared eggs, larvae, pupae and adults from the colony and described the detailed morphological ontogeny of each stage using digital methods and electron microscopy. [Results] The developmental time of A. aphidimyza, eggs was 2-3 days, and the larval stage had three instars which developed over 5 to 8 days. The pupal period was 7-10 days and the adult stage was only 3-4 days. [Conclusion] The morphological ontogeny of A. aphidimyza provides a useful foundation for the identification and classification of this species.