One new species and two new records in the subgenus Stegana(sensu stricto)(Diptera:Drosophilidae)from China,with DNA barcoding information  

中国冠果蝇属一新种和二新记录种及DNA条形码信息(双翅目:果蝇科)

作　　者：Mengdi CUI Bingxue LI Hongwei CHEN 崔梦迪;李冰雪;陈宏伟(华南农业大学植物保护学院昆虫学系,广州天河510642)

机构地区：[1]Department of Entomology,South China Agricultural University,Tianhe,Guangzhou 510642,China

出　　处：《Entomotaxonomia》2021年第2期115-129,共15页昆虫分类学报（英文）

基　　金：supported by the National Natural Science Foundation of China(31672321,31093430)。

摘　　要：One new and two known species of the subgenus Stegana(s.str.)from China are described or redescribed:S.(S.)helvipecta sp.nov.,S.(S.)furta(Linnaeus,1767)and S.(S.)taba Okada,1971.A total of 41 DNA sequences of partial mitochondrial cytochrome c oxidase subunit I(COI)gene of 18 species of this subgenus are newly obtained in this study.These sequences along with other available barcoding sequences for this subgenus are incorporated in a molecular analysis using the neighbor-joining(NJ)method in order to assess the efficacy of DNA barcoding for delimiting these species.Habitus and a key to all Chinese Stegana(s.str.)species are provided.基于形态学和分子遗传学证据,描述了冠果蝇属1新种Stegana(Stegana)helvipecta sp.nov.和2中国新记录种:S.(S.)furta(Linnaeus,1767)和S.(S.)taba Okada,1971;利用41条DNA条形码信息,分析了18种冠果蝇的遗传距离,并提供了中国产全部18种冠果蝇的形态图及分种检索表。

关 键 词：COI gene drosophilid taxonomy key 

分 类 号：Q969.44[生物学—昆虫学]