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MORPHOLOGY OF TESTIS AND THE IMPLIED GENETIC RELATIONSHIP AMONG THE OBSERVED GENERA AND SPECIES IN PENTATOMIDAE (HEMIPTERA, PENTATOMIDAE)
Author(s): 
Pages: 712-717
Year: Issue:  4
Journal: Acta Zootaxonomica Sinica

Keyword:  蝽科 精巢 形态 亲缘关系;
Abstract: 为探讨蝽科精巢形态差异,以及据此反映的属种间亲缘关系,对蝽科9属13种昆虫精巢进行了观察和比较研究。结果表明,蝽科精巢形态在属内种间具有相对稳定性,属间、亚科间具有差异性。蝽科输精管种间变异大。基于精巢长度、宽度、面积及长宽比的聚类分析结果显示,斑须蝽属Dolycoris、绿蝽属Nezara、茶翅蝽属Halyomorpha关系较近,并与二星蝽属Eysarcoris形成并列关系。菜蝽属Eurydema、麦蝽属Aelia、珠蝽属Rubiconia亲缘关系密切。而果蝽属Carpocoris与条蝽属Graphosoma形成不同分支的特殊进化关系。因此,蝽科精巢可作为属级、亚科级的形态和数值分类特征。
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