黑翅土白蚁触角感器的扫描电镜观察
Scanning electron microscopy studies of the antennal sensilla ofOdontotermes fomosanus (Shiraki)
张新慰1** 嵇保中1*** 刘曙雯2*** 杨锦锦1 赵正萍1王丽平1 王亚召1 丁
点击：2011次 下载：43次
DOI：10.7679/j.issn.2095-1353.2015.102
作者单位：1.南方现代林业协同创新中心，南京林业大学林学院，南京 210037；2.南京中山陵园管理局，南京 210014
中文关键词：黑翅土白蚁，触角，感器，扫描电镜
英文关键词：Odontotermes fomosanus, antennae, antennal sensilla, scanning electron microscopy
中文摘要：
【目的】通过黑翅土白蚁Odontotermes fomosanus (Shiraki)幼蚁、工蚁、兵蚁触角感器种类、数量及分布的研究，分析不同龄幼蚁、工蚁和兵蚁的触角感器特征，为进一步研究触角感器发育特点及不同个体的行为分化机制提供参考。【方法】 通过扫描电镜观察触角形态，分析触角节数、感器种类、数量及分布特征。【结果】 工蚁、兵蚁、幼蚁个体触角长度差异显著，触角长度顺序：工蚁＞兵蚁＞3龄幼蚁＞2龄幼蚁＞1龄幼蚁；触角感器共有9种类型，分别为短毛形感器、长毛形感器、短刺形感器、长刺形感器、锥状Böhm氏鬃毛、球状钟形感器、刺突状钟形感器、球状钟形感器与刺突状钟形感器中间型、长刺具泡状感器。工蚁、兵蚁缺少长刺具泡状感器。幼蚁触角感器种类和数量随龄数而增加，1龄幼蚁具7种感器，缺少球状钟形感器和球状钟形感器与刺突状钟形感器中间型2种类型；2龄幼蚁具有8种感器，缺球状钟形感器；3龄幼蚁具有全部9种类型感器。【结论】 黑翅土白蚁幼蚁、工蚁、兵蚁触角节数和感器显著差异，可作为幼蚁龄数以及非生殖品级判别的形态指标，应用于白蚁非生殖品级行为多型等相关研究。
英文摘要： [Objectives] To determine the types, number and distribution of antennal sensilla in larvae, workers and soldiers of Odontotermes fomosanus (Shiraki), and to analyze the characteristics of antennal sensilla in order to provide a reference for studying the developmental characteristics of antennal sensilla and the mechanism underlying behavior differentiation among different castes. [Methods] The morphological characteristics of antennae were observed using scanning electron microscopy, and the type, number, and distribution of antennal sensilla, and the antennal segment number, noted. [Results] There were significant differences in antennal length among larvae, workers and soldiers which can be ranked in descending order as follows; worker＞solider＞3rd instar larva＞2nd instar larva＞1st instar larva. A total of nine types of antennal sensilla were found. These were: short sensillatrichodea, long sensillatrichodea, short sensillachaetica, long sensillachaetica, Böhm bristle, sensilla campaniformia, furcella-shape sensillacampaniformia, the intermedius type sensillacampaniformia (something similar to the sensillacampaniformia and furcella-shape sensilla), long sensillatrichodea with a bubble at the terminal. Workers and soldiers did not have the long sensillatrichodea with the bubble at the terminal. The number and types of sensilla on larval antennae increased with instar. For example, there were seven types of sensilla in 1st instar larvae except sensillacampaniformia and the intermedius type sensillacampaniformia (something similar to the sensillacampaniformia and furcella-shape sensilla), eight types in 2nd instar larvae except sensillacampaniformia, and all nine types in 3rd instar larvae. [Conclusion] The presence of significant difference in antennal segment number and antennal sensilla among larvae, workers and soldiers means that antennal sensilla can be used to identify these castes.