| 梁永轩，谢洁仪，王艳会，谢 强,2024,荔枝蝽体表感受器的超微结构[J].环境昆虫学报,(6):1340-1348 |
| 荔枝蝽体表感受器的超微结构 |
| Ultrastructure of sensilla on the body surface of the Tessaratoma papillosa |
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| DOI： |
| 中文关键词: 荔枝蝽 感受器 扫描电镜 超微结构 生理 |
| 英文关键词:Tessaratoma papillosa sensilla scanning electron microscope ultrastructure physiology |
| 基金项目:国家自然科学基金面上项目（32370468）；广州市基础与应用基础研究项目（202102080191） |
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| 中文摘要: |
| 荔枝蝽Tessaratoma papillosa是荔枝和龙眼的重要害虫，成虫和若虫吸食寄主植物嫩梢、花穗和果实。本研究利用扫描电镜对荔枝蝽雌雄成虫部分体表结构（包括触角、下唇、各足跗节和腹部等）的感受器进行了观察，共发现7种类型感受器，分别为毛形感受器、刺形感受器、锥形感受器、腔锥形感受器、坛形感受器、钟形感受器和毛点，其中毛形感受器又可分为5种亚型，刺形感受器和锥形感受器各有2种亚型。雌雄成虫感受器的类型、形态和分布基本一致。在所观察的结构中，触角上感受器的类型最丰富，分布有除毛点以外的6种感受器；下唇分布有除腔锥形感受器和毛点以外的5种感受器；各足跗节分布有刺形感受器和坛形感受器；腹部分布有毛点；后胸臭腺孔口和挥发域处分布有毛形感受器和坛形感受器。本研究结果为探究该物种昆虫体表感受器与行为反应之间的关系，及信号感受与应答的机制提供了一定的形态学基础，从而为进一步基于行为调控的防治策略研究提供科学依据。 |
| 英文摘要: |
| Tessaratoma papillosa is a pest on litchi (Litchi chinensis) and longan (Euphoria longan). Both adults and nymphs feed on the tender buds, flowers and fruits of the host plant. This study used scanning electron microscope to observe the selected structures of sensilla on the surface of female and male adults of the T. papillosa, including antennae, labium, tarsi (forelegs, midlegs, hindlegs) and abdomen. A total of 7 types of sensilla were observed, including sensilla trichodea, sensilla chaetica, sensilla basiconica, sensilla coeloconic, sensilla ampullacea, sensilla campaniformia and trichobothria. Among them, 5 subtypes of sensilla trichodea were observed; 2 subtypes were observed for both sensilla chaetica and sensilla basiconica. The types, morphology and distribution of sensilla are consistent between female and male adults. Among the observed structures, the types of sensilla on the antennae are the most abundant, with all types of sensilla except for trichobothria; 5 types of sensilla were observed on the labium except for sensilla coeloconic and trichobothria; sensilla chaetica and sensilla ampullacea were observed on the tarsi of each leg; trichobothria was observed on the abdomen; sensilla trichodea and sensilla ampullacea were observed at the ostiole and evaporatorium of metathoracic scent gland. This research provides a morphological basis for exploring the relationship between the sensilla on the surface and behavioral responses of T. papillosa, as well as the mechanisms of signal perception and response, thus providing a scientific basis for further research on behavioral regulation based prevention and control strategies. |
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