Sperm traits differ between winged and wingless males of the ant Cardiocondyla obscurior

作     者：Alexandra SCHREMPF Astrid MOSER Jacques DELABIE Jürgen HEINZE 

作者机构：Zoology/Evolutionary BiologyUniversity of RegensburgRegensburgGermany Myrmecological LaboratoryCocoa Research Center CEPLACItabunaBrazil 

出 版 物：《Integrative Zoology》 (整合动物学（英文版）)

年 卷 期：2016年第11卷第6期

页      面：427-432页

核心收录：

学科分类：1002[医学-临床医学] 100210[医学-外科学(含：普外、骨外、泌尿外、胸心外、神外、整形、烧伤、野战外)] 10[医学] 

主　　题：alternative reproductive tactic social insect sperm length sperm viability 

摘      要：Size and shape of sperm cells vary tremendously throughout the animal *** adaptive significance of this variation is not fully *** addition to sperm-female interactions and the environmental condi­tions,the risk of sperm competition might affect number,morphology and other“qualitytraits of *** the male-diphenic ant Cardiocondyla obscurior,winged sneaker males have limited sperm number,because their testes degenerate shortly after adult emergence,as is typical for males of social *** contrast,wing­less fighter males continuously replenish their sperm supply due to their exceptional lifelong spermatogene­*** winged males usually have to compete with several other winged males for virgin queens,wingless males are able to monopolize queens by killing all other ***,this presents a unique system to inves­tigate how alternative reproductive tactics and associated physiology affect sperm morphology and *** found that sperm-limited males invest into sperm number instead of sperm *** in sperm length is smaller in winged males,probably reflecting that they have to compete with several other ***,sperm viability is equally high in both male phenotypes.