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小头叶蝉属系统分类研究(同翅目:叶蝉科)

机译:小头叶蝉属系统分类研究(同翅目:叶蝉科)

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Nine species of the leafhopper genus Placidus Distant have been found in the world up to now, of which 4 new species are described from South China in this paper: P. dentatus, sp. nov. from Sichuan Province, P. striolatus,sp. nov. and P. nigrocupuliferous, sp. nov. from Yunnan Province, and P. flosifrontus, sp. nov. from Hunan Province. A key to all the 9 species of this genus is proposed. The type specimens are deposited in the Entomological Museum, Northwest Sci-Tech University of Agriculture and Forestry, Yangling, Shaanxi, except the type specimens of P.dentatus and P. striolatus spp. nov. kept in the Institute of Zoology, Chinese Academy of Sciences in Beijing (IZAS).%记述世界小头叶蝉属Placidus Distant昆虫9种,其中包括4个新种.条痕小头叶蝉Placidus striolatus,sp.nov.和乌樽小头叶蝉Placidus nigrocupuliferou,sp.nov.分布于云省,花顶小头叶蝉Placidus flosifrontus,sp.nov.分布于湖南省,密齿小头叶蝉Placidus dentatus,sp.nov.分布于四川省.文中列出了所有9种小头叶蝉的名录并编制了分钟检索表.新种模式标本分别保存于西北农林科技大学昆虫博物馆和中国科学院动物研究所(IZAS).新种模式标本和示差鉴别特征如下:条痕小头叶蝉Placidus striolatus,新种,正模:() (IZAS),云南省,大围山,1350m,1956-V-22,邦浦洛夫采.该新种与.P.hornei Distant相近,但其雄性生殖瓣侧面观近三角形,尾节侧瓣向后渐狭,阳茎端部近1/3处具数条长印痕,阳茎端部腹缘锯齿状,可以与后者相区别.花顶小头叶蝉Placidus flosifrontus,新种(图3),正模:() ,南非,郴州莽山,1985-Ⅶ-31,张雅林、柴勇辉采.该新种与P.hornei Distant相近,但其阳茎基部两侧所具的一对长的带状突不同于小头叶蝉属Placidus所有其他种类.密齿小头叶蝉Placidus dentatus,新种(图4),正模:() (IZAS),四川省,马尔康,1961-Ⅵ-9,李贵富采.该新种与P.brunneus Kuoh相近,但其小盾片中域横刻痕不明显,连索"Y"型,阳茎端半部侧区密生小齿突,可与后者明显相区分,乌樽小头叶蝉Placidus nigrocupuliferous,新种(图5),正模:() ,云南省,勐养,750m,1991-Ⅵ-9,王应伦、田润刚采.该新种与P.hornei Distant和P.bruneus Kuoh相近,但其阳基侧突呈"S"形且基部1/3膨大,阳茎侧面观呈"Y"形,腹面一支明显比背方一支狭,可与后两种明显区分.
机译:Nine species of the leafhopper genus Placidus Distant have been found in the world up to now, of which 4 new species are described from South China in this paper: P. dentatus, sp. nov. from Sichuan Province, P. striolatus,sp. nov. and P. nigrocupuliferous, sp. nov. from Yunnan Province, and P. flosifrontus, sp. nov. from Hunan Province. A key to all the 9 species of this genus is proposed. The type specimens are deposited in the Entomological Museum, Northwest Sci-Tech University of Agriculture and Forestry, Yangling, Shaanxi, except the type specimens of P.dentatus and P. striolatus spp. nov. kept in the Institute of Zoology, Chinese Academy of Sciences in Beijing (IZAS).%记述世界小头叶蝉属Placidus Distant昆虫9种,其中包括4个新种.条痕小头叶蝉Placidus striolatus,sp.nov.和乌樽小头叶蝉Placidus nigrocupuliferou,sp.nov.分布于云省,花顶小头叶蝉Placidus flosifrontus,sp.nov.分布于湖南省,密齿小头叶蝉Placidus dentatus,sp.nov.分布于四川省.文中列出了所有9种小头叶蝉的名录并编制了分钟检索表.新种模式标本分别保存于西北农林科技大学昆虫博物馆和中国科学院动物研究所(IZAS).新种模式标本和示差鉴别特征如下:条痕小头叶蝉Placidus striolatus,新种,正模:() (IZAS),云南省,大围山,1350m,1956-V-22,邦浦洛夫采.该新种与.P.hornei Distant相近,但其雄性生殖瓣侧面观近三角形,尾节侧瓣向后渐狭,阳茎端部近1/3处具数条长印痕,阳茎端部腹缘锯齿状,可以与后者相区别.花顶小头叶蝉Placidus flosifrontus,新种(图3),正模:() ,南非,郴州莽山,1985-Ⅶ-31,张雅林、柴勇辉采.该新种与P.hornei Distant相近,但其阳茎基部两侧所具的一对长的带状突不同于小头叶蝉属Placidus所有其他种类.密齿小头叶蝉Placidus dentatus,新种(图4),正模:() (IZAS),四川省,马尔康,1961-Ⅵ-9,李贵富采.该新种与P.brunneus Kuoh相近,但其小盾片中域横刻痕不明显,连索"Y"型,阳茎端半部侧区密生小齿突,可与后者明显相区分,乌樽小头叶蝉Placidus nigrocupuliferous,新种(图5),正模:() ,云南省,勐养,750m,1991-Ⅵ-9,王应伦、田润刚采.该新种与P.hornei Distant和P.bruneus Kuoh相近,但其阳基侧突呈"S"形且基部1/3膨大,阳茎侧面观呈"Y"形,腹面一支明显比背方一支狭,可与后两种明显区分.

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