Ultrastructure and morphology of antennal sensilla of the adult diving beetle Cybister japonicus Sharp

文献类型： 外文期刊

第一作者： Song, Li-Mei

作者： Song, Li-Mei;Huang, Jian-Ping;Ban, Li-Ping;Wang, Xue-Min;Zhu, Fang;Jiang, Xiang;Zhang, Shan-Gan

作者机构：

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2017 年 12 卷 3 期

页码：

收录情况： SCI

摘要： The morphology and distribution of the antennal sensilla of adult diving beetle Cybisterjaponicus Sharp (Dytiscidae, Coleoptera), have been examined. Five types of sensilla on the antennae were identified by scanning electron microscope (SEM) and transmission electron microscope (TEM). Sensilla placodea and elongated s. placodea are the most abundant types of sensilla, distributing only on the flagellum. Both these types of sensilla carry multiple pore systems with a typical function as chemoreceptors. Three types of s. coeloconica (Type I-III) were also identified, with the characterization of the pit-in-pit style, and carrying pegs externally different from each other. Our data indicated that both type I and type II of s. coleconica contain two bipolar neurons, while the type III of s. coleconica contains three dendrites in the peg. Two sensory dendrites in the former two sensilla are tightly embedded inside the dendrite sheath, with no space left for sensilla lymph. There are no specific morphological differences in the antennal sensilla observed between males and females, except that the males have longer antennae and more sensilla than the females.

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