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红火蚁触角及其上感受器的扫描电镜观察
引用本文:高艳,罗礼智.红火蚁触角及其上感受器的扫描电镜观察[J].昆虫学报,2005,48(6):986-992.
作者姓名:高艳  罗礼智
作者单位:中国农业科学院植物保护研究所
基金项目:国家科技攻关课题(2005BA529A06);农业部财政项目(2005-16)
摘    要:应用扫描电镜对采自我国广东吴川和广西南宁的红火蚁Solenopsis invicta Buren工蚁、有翅雌蚁和雄蚁触角的形态和感受器类型进行了研究。结果表明,工蚁、雌蚁和雄蚁的触角存在着较大的差异。工蚁和雌蚁的触角为膝状,末端2或3节膨大为棒状,雌蚁的触角11节,比工蚁(10节)的多1节。雄蚁的触角为线状,12节,末端没有棒状结构。工蚁和雌蚁的触角上共有7种感受器,分别为毛形、曲毛形、锥形、腔锥形、坛形、刺形感受器和Böhm氏鬃毛,前6种感受器大多集中在触角末端的棒节,棒节以外的各鞭节上主要是毛形感受器,Böhm氏鬃毛则分布于柄节和梗节的基部,鞭节上无此感受器。雄蚁触角上也有7种感受器,但其分布与工蚁的有较大差异,Böhm氏鬃毛的分布与工蚁和雌蚁的相同,锥形感受器分布在末端2节,坛形感受器分布在末端3节,其余的4种感受器较为均匀地分布在各鞭节,而不是聚集在端节。另外,新发现雄蚁中存在一种与已知的毛型感受器不同的超短毛状感受器,定名为超短毛感受器。最后,对红火蚁的触角及感受器在蚁群社会性行为中的作用进行了讨论。

关 键 词:红火蚁  触角  形态  感受器  超微结构  扫描电镜  
文章编号:0454-6296(2005)06-0986-07
收稿时间:2005-07-01
修稿时间:2005-07-012005-10-31

Antennal morphology and sensilla of the fire ants, Solenopsis invicta Buren invaded southern China observed with scanning electron microscopy
GAO Yan,LUO Li-Zhi.Antennal morphology and sensilla of the fire ants, Solenopsis invicta Buren invaded southern China observed with scanning electron microscopy[J].Acta Entomologica Sinica,2005,48(6):986-992.
Authors:GAO Yan  LUO Li-Zhi
Institution:Chinese Academy of Agricultural Sciences
Abstract:Antennal morphology and sensilla of the fire ants, Solenopsis invicta Buren (Hymenoptera: Formicidae) collected from Wuchuan, Guangdong and Nanning, Guangxi were observed by scanning electronmicroscopy. The antennae are sexually dimorphic: the female antenna is geniculate, and the male antenna wirelike. The worker antenna has 10 antennomers, with most sensilla distributed on the two distal segments (the antennal club). The queen antenna has 11 antennomers, with sensilla distributed on the three distal segments (the antennal club); whereas the clubless male antenna has 12 antennomers, with sensilla distributed on all segments. Seven types of sensilla were found on antennae of the female. They are sensillum trichodea, sensillum trichodea curvata, sensillum basiconica, sensillum coeloconica, sensillum ampullaceal, sensillum chaetica, and Böhm bristles. Most of these sensilla are on the female antennal club, except Böhm bristles which are located on the scape and pedicel. The male also have seven types of sensilla, while their distribution is different with that on the female. Böhm bristles are in the same distribution as on the female, but sensillum basiconica is distributed on the two distal segments, and sensillum ampullaceal is distributed on the three distal segments, and the rest four types of sensilla are distributed on each flagellum. An ultra-short sensillum trichodea was first found on males, which is absent on females and different from other known sensilla trichodea. The morphology and distribution of these sensilla were described, and their difference between castes and sexes was discussed.
Keywords:Solenopsis invicta Buren  antenna  morphology  sensilla  uhrastructure  electronmicroscopy
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