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马尾松毛虫雄蛾触角毛状感受器的细微结构
引用本文:张善干,马淑芳.马尾松毛虫雄蛾触角毛状感受器的细微结构[J].昆虫学报,1995,38(1):8-12.
作者姓名:张善干  马淑芳
摘    要:马尾松毛虫Dendrolimus punctagus(Walker)雄蛾有一对羽毛状触角。在触角鞭节的每对侧枝的内侧(迎风面)着生许多毛状感受器。每个毛状感受器由几丁质表皮毛及位于其下的三个感觉神经原和三个呈同心排列的辅助细胞-鞘原细胞、毛原细胞和膜原细胞构成。几丁质表皮毛上有许多孔。毛腔内充满感受器淋巴液。感觉神经原发出的树状突伸入毛腔,浸浴于感受器淋巴液内。这些结构特征表明它是一种司嗅觉的化学感受器。雄蛾终生不取食,推断它的嗅觉感受器主要用以感受雌蛾释放的性外激素,帮助寻找配偶。

关 键 词:马尾松毛虫蛾  触角  毛状感受器  嗅觉化学感受器  性外激素感受器  

ULTRASTRUCTURE OF THE TRICHOID SENSILLUM ON THE ANTENNA OF THE MALE PINE CATERPILLARMOTH, DENDROLIMUS PUNCTATUS(WALKER) (LEPIDOPTERA: LASIOCAMPIDAE)
ZHANG SHANGAN,MA SHUFANG FU HONGLAN CHEN TEMING.ULTRASTRUCTURE OF THE TRICHOID SENSILLUM ON THE ANTENNA OF THE MALE PINE CATERPILLARMOTH, DENDROLIMUS PUNCTATUS(WALKER) (LEPIDOPTERA: LASIOCAMPIDAE)[J].Acta Entomologica Sinica,1995,38(1):8-12.
Authors:ZHANG SHANGAN  MA SHUFANG FU HONGLAN CHEN TEMING
Abstract:The male pine caterpillar moth Dendrolirnus punctatus (Walker) hasa pair of feather-like antennae. The trichoid sensilla are arranged on the inner side (windward side) surface of the antennal stem and branch in each flagella segment. Each trichoid sensillum consists of a cuticular hair, three sensory neurons and three auxiliary cells——thecogen——trichogen and tormogen ceils which are arranged in concentric array and serve as the envelope of the neurons. The hair wall is penetrated by many pores. The lumen of the hair is filled with sensillum fluid within which the dendrites of the neurons are immersed. As having proved by single cell recording in the insects of the same family, most likely the trichoid sensillure might possibly be responsible for perception of female produced sex pheromone and thus for the orientation in mating.
Keywords:pine caterpillar moth  antenna  trichoid sensillum  olfactory  chemo-  receptor  sex pheromone receptor
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