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短须滑爪蜉成虫的首次描述及其稚虫的重新描述 (蜉蝣目 ,四节蜉科 )(英文)
THE ADULT OF CLOEODES LONGISETOSUS(BRAASCH AND SOLDN, 1980)AND A REVISED DESCRIPTION OF THE LARVA (EPHEMEROPTERA,BAETIDAE)
【摘要】 首次描述了采自中国香港的短须滑爪蜉Cloeodeslongisetosus (BraaschandSold偄n)的成虫形态及重新描述了该种的稚虫形态。所有成虫标本由稚虫在实验室内饲养而成。对于短须滑爪蜉稚虫的研究进一步明确了该种在滑爪蜉属Cloeodes中的地位。短须滑爪蜉的稚虫与同属其它种类的主要区别是下颚须极短。短须滑爪蜉雄性成虫外生殖器的尾铗基部具有一块近长方形的突起 ,这一特征在同属其它已知成虫中是很独特的。这也表明类似这种特征在滑爪蜉属中也许存在或不存在。
【Abstract】 The first description of the adult stage of Cloeodes longisetosus (Braasch and Soldán) is provided based on specimens reared in the laboratory from larvae collected from Hong Kong, China. These larvae also are the basis for a revised description of the larval stage of C. longisetosus. Study of the larvae confirms the placement of the species in the genus Cloeodes Traver, and C. longisetosus larvae may be distinguished from larval congeners by their relatively short maxillary palp. Male adults of C. longisetosus have a pronounced rectangular median process between the forceps bases that is unique at least among known male adult congeners, and thus indicates that such a feature may or may not be present in Cloeodes.
【Key words】 Mayfly; Cloeodes longisetosus; adult description; larval redescription; Hong Kong;
- 【文献出处】 动物分类学报 ,Acta Zootaxonomica Sinica , 编辑部邮箱 ,2003年04期
- 【分类号】Q969.21
- 【被引频次】1
- 【下载频次】89