摘要
本文对我国大陆地区溪颏蜉属Rhithrogena作了初步的分类研究。其中,报道1新种 (黄溪颏蜉Rhithrogena lutea, sp. nov.)、2个中国新记录种(贝氏溪颏蜉R. bajkovae Sowa和赖氏溪颏蜉R. lepnevae Brodsky),并对其它3种[武夷溪颏蜉R. wuyinensis (Gui et al.), comb. nov.、三刺溪颏蜉R. trispina Zhou et Zheng和东方溪颏蜉 R. orientalis You (= 三港溪颏蜉R. sangangensis You, 新异名)]作了订正,并给出了我国已知7种的成虫检索表。新种——黄溪颏蜉R. lutea, sp. nov., (仅知成虫,图14))标本采自四川省九寨沟县双河镇附近河旁(正模♂, 副模4♂♂10♀♀,2000-VIII-11,采集人为谢强和周长发),区别于该属其它已知种的最明显特征就是阳茎无阳端突、生殖孔的边缘具2枚齿突。标本保存在南京师范大学生命科学学院。
In present paper the genus Rhithrogena Eaton from Chinese mainland, including a new species to science (Rhithrogena lutea, sp. nov.), 2 new record species from China (R. bajkovae Sowa, R. lepnevae Brodsky) and 3 known species [R. wuyinensis (Gui et al.) (comb. nov.), R. trispina Zhou et Zheng, R. orientalis You (= R. sangangensis You, new synonym)] are revised besed on the imaginal specimens. A key to 7 species imagos is provided. All materials in this study are deposited in Nanjing Normal University.
基金
National Natural Sciences Foundation of China (30300037)
关键词
蜉蝣目
扁蜉科
溪颏蜉属
中国大陆
Ephemeroptera
Heptageniidae
Rhithrogena
Chinese mainland +
