叉角厉蝽雌成虫生殖系统结构与卵巢发育动态

doi:10.16409/j.cnki.2095-039x.2024.07.021

摘要/Abstract

摘要： 叉角厉蝽能有效地抑制多种鳞翅目害虫的种群数量与发生发展，作为一种高效的捕食性天敌昆虫在农林业害虫防治领域中扮演着重要角色。为了系统了解叉角厉蝽的生殖生物学特性，本研究结合解剖形态比较和显微观察技术，对其雌成虫的内生殖系统结构和卵巢发育过程进行解析。研究结果表明，叉角厉蝽雌成虫内生殖系统包括一对卵巢、侧输卵管、中输卵管、生殖腔、受精囊以及附腺。叉角厉蝽雌成虫每侧卵巢包含7条卵巢管的具体构造揭示了其在繁衍后代方面的显著能力，这种生殖器官的独特配置为其在自然环境中维持种群数量提供了生理基础，同时也为我们评估其在生物防治策略中的应用价值提供了关键的生物学依据。通过卵巢发育阶段分级标准的制定，明确叉角厉蝽分别在羽化后第2 d和第3 d发育到Ⅱ级和Ⅲ级卵巢，此时卵巢内已孕育成熟卵子。从第7 d开始，雌成虫进入产卵期，并在第15 d达到卵子发育的高峰，之后开始逐渐衰退。本研究不仅增进了对叉角厉蝽生殖生理学的认识，也为其生理适应机制的研究提供参考。基于叉角厉蝽的卵巢结构和卵子发育水平，进而调控其繁殖行为与生殖能力，为提升其规模化繁育技术和在害虫防治实现淹没式释放应用奠定理论基础。

关键词: 叉角厉蝽, 内生殖系统, 卵巢结构, 卵巢发育, 分级标准

Abstract: The predatory stink bug Eocanthecona furcellata can effectively suppress the population growth and damage of various Lepidoptera pests. As an efficient predatory natural enemy insect, it plays an important role in agricultural and forestry pest control. The reproductive biology characteristics of E. furcellata, i.e., the female internal reproductive system structure and ovarian development process, was systematically investigated in this study through combined anatomical morphology comparison and microscopic observation. The internal reproductive system of female adult E. furcellata includes a pair of ovaries, lateral fallopian tubes, middle fallopian tubes, reproductive cavity, seminal vesicles, and accessory glands. The specific structure of each ovary containing 7 ovarian tubes in the female adult of the stink bug reveals its significant ability in reproduction. The unique configuration of this reproductive organ provides a physiological basis for maintaining population size in natural environments, and also provides a key biological basis for evaluating its application value in biological control strategies. Through the establishment of grading standards for ovarian development stages, it is clear that the stink bug develops to stage II and III ovaries on the 2nd and 3^rd day after eclosion, when mature eggs can be conceived in the ovaries. Starting from the 7th day, egg laying starts, egg development peaks on the 15th day, and then gradually declines. This study not only enhances the understanding of the reproductive physiology of E. furcellata, but also provides reference for the study of its physiological adaptation mechanism. Based on the ovarian structure and egg development level, the reproductive behavior and ability of E. furcellata can be regulated, laying a theoretical foundation for improving its mass rearing technology and achieving inundative applications in pest control.

Key words: Eocanthecona furcellata, internal reproductive system, ovarian structure, ovarian development, grading criteria

中图分类号:

S476.2

苑金戈, 陈卫, 沈铮, 李士家, 刘怀, 李亚迎. 叉角厉蝽雌成虫生殖系统结构与卵巢发育动态[J]. 中国生物防治学报, 2025, 41(4): 752-759.

YUAN Jinge, CHEN Wei, SHEN Zheng, LI Shijia, LIU Huai, LI Yaying. Reproductive System Structure and Ovarian Development of Female Adult of Eocanthecona furcellata[J]. Chinese Journal of Biological Control, 2025, 41(4): 752-759.

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