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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Your Position :Home->Past Journals Catalog->2018 Vol.37 No.5

Ultrastructure of Reproductive System of Cyrtotrachelus buqueti in Different Population Densities
Author of the article:LIANG Shuang, LONG Wencong, LIANG Zi, LUO Chaobing, LIU Anxuan, LIAO Hong, YANG Yaojun*
Author's Workplace:Bamboo Diseases and Pests Control and Resources Development Key Laboratory of Sichuan Province, College of Life Sciences, Leshan Normal University, Leshan, Sichuan Province 614004, China
Key Words:population density; Cyrtotrachelus buqueti; reproductive system; scanning electron microscopy
Abstract:Cyrtotrachelus buqueti is a destructive insect for bamboos. Leshan city of Sichuan province is less than 300 kmaway from Chishui city of Guizhou province. However, the population density of C. buqueti is 48 times difference between the two cities. Reproduction is one of the key links in maintaining insect population density. In this study, the morphological characteristics and ultrastructure of the reproductive system of C. buqueti in Leshan and Chishui were systematically studied by using morphological anatomy and scanning electron microscopy to explore the differences of population reproductive system. The results showed that there was no significant difference in the morphological structure of the adult reproductive system, neither in the ultrastructure of their external genitalia. In Chishui, the egg surface of the females was rough and hollow, and the diameter was significantly smaller than that of Leshan. The inner wall of Chishui males' testicles was wrinkled and rough. The sperm cell diameter was significantly smaller than that of Leshan, and the number of sperm cells per 10 000 μm3 was more than twice that of Leshan. The structure and size variation of sperm cells and egg cells may be the direct cause of the decrease of population density of C. buqueti in Chishui. The results will provide a practical reference for further analysis of the population changes of C. buqueti.
2018,37(5): 563-568,574 收稿日期:2017-09-06
DOI:10.11984/j.issn.1000-7083.20170277
分类号:Q964
基金项目:国家自然基金面上项目(31470655)
作者简介:梁爽(1995-),女,本科生,研究方向为昆虫生理,E-mail:435998962@qq.com
*通讯作者:杨瑶君,男,博士,教授,研究方向为竹类害虫防控,E-mail:rsyyj@126.com
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