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Issue:ISSN 2095-1353
           CN 11-6020/Q
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Your Position :Home->Past Journals Catalog->2016年53 No.5

The male internal reproductive system, including chemical compounds, of the carpenter ant Camponotus japonicus Mayr
Author of the article:LI Chang-You** WANG Yun-Guo HE Hong***
Author's Workplace:College of Forestry, Key Laboratory of Comprehensive Forestry of Shaanxi Province, Northwest A&F University, Yangling 712100, China
Key Words:Camponotus japonicus, male ant, reproductive system, chemical compound
Abstract:

[Objectives]  To describe the internal reproductive system of male Camponotus japonicus, and analyze chemical compounds associated with this system, in order to provide baseline data for further study of male reproductive behavior. [Methods]  The male internal reproductive system was observed under optical and scanning electron microscopy (SEM), and associated chemical compounds were analyzed using GC-MS. [Results]  (1) The male reproductive system consists of one pair of accessory glands and one pair of vas deferentia and an ejaculatory duct; the testes degenerate and eventually disappear. The paired accessory glands are developed and milky white. The vas deferentia are simple and slender, and each connects with the lower third of each lobe of the accessory gland at the base. The surface of the accessory glands is relatively smooth and can be seen to be covered in muscle tissue under SEM. (2) Thirteen chemical compounds were identified, mainly comprised of aldehydes, olefins and acids, accounting for 29.31%, 21.87% and 20.56%, of the total, respectively. Some alcohols (12.71%) and esters (15.05%) were also detected. The most abundant components were cctadecatrienal (15.86%), 11-hexadecenal (13.45%), and 9,12,15-18 carbon triene acid-2,3-2 hydroxy propyl ester (11.78%). [Conclusion]  The male reproductive system is comprised of three parts; the accessory glands, which are fully developed, the vas deferentia, which are slender, and the testes, which degenerate and disappear. Thirteen chemical compounds were found in the male reproductive system but their functions have yet to be investigated.

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