The Baetidae (Ephemeroptera) from Zijin Hill of Nanjing (1)Re-description of Alainites yixiani Comb. Nov.
首发时间:2010-03-18
Abstract:Because of its large species diversity, less characters for classification, smaller body and confused taxonomic systems as well as history, the Baetidae is a very complicated taxon in mayfly taxonomy and phylogeny reconstruction. In recent years, some species from Zijin Hill of Nanjing city (Jiangsu Province, Eastern China) are differentiated and identified upon adult-nymph association by rearing in lab. From prostheca of right mandible (as two spines) and hindwings (having 3 longitudinal veins), the species Baetis yixiani Gui and Lu, 1999 is transferred into the genus Alainites Waltz and McCafferty (1994) hereby. More reports and descriptions on Baetidae from Chinese mainland are preparing and will be published later. Hopefully, series papers on this issue can clarify some problems in mayfly taxonomy of China, or even facilitate and boost more researches as well.
keywords: Baetidae Baetis Alainites new combination Ephemeroptera
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南京紫金山的四节蜉科(昆虫纲:蜉蝣目)(1)逸仙丽翅蜉的重新描述
摘要:蜉蝣目四节蜉科蜉蝣种类很多、身体较小且结构退化严重、分类历史复杂、体系多变,因而对其进行分类和系统发育关系探讨十分困难。南京紫金山有好几种四节蜉科种类,通过在实验室内的饲养和配对,我们已基本清楚它们的分类地位和实际状况。其中,1999年报道的逸仙四节蜉Baetis yixiani Gui and Lu现在应该归入丽翅蜉属Alainites Waltz and McCafferty 中,因为它的稚虫右上颚的臼齿明显呈现为两根刺状、成虫后翅具3根纵脉。这些完全属于和符合丽翅蜉属的属征。我们对此地区以及我国大陆四节蜉科的系列研究将陆续发表,希望解决一些长期存在的分类难题,也可使同行和后来者较方便容易地开展工作。
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南京紫金山的四节蜉科(昆虫纲:蜉蝣目)(1)逸仙丽翅蜉的重新描述
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