摘要
记述了中国四川侧跗叶蜂属2新种:半氲侧跗叶蜂S.basifusca sp. nov.和程氏侧跗叶蜂Siobla chengi sp. nov.,2新种均属于S.sturmii种团。半氲侧跗叶蜂,新种S.basifusca sp.nov.(图1~6)新种是S.sturmii种团成员,与缅甸分布的S.longepilosa Malaise,1934近似,但前翅基部3/5明显烟褐色;触角端部4节背侧无斑纹;复眼较大,下缘间距1.3倍于复眼高;背面观上眶等长于复眼;单眼后区宽长比等于1.4,后缘宽1.5倍于前缘;侧沟向后强烈分歧;后足跗节第1、2跗垫间距2.8倍于第2跗垫长;锯腹片中部锯刃的小齿较大而显著。S.longepilosa Malaise的前翅全部透明;触角端部4节背侧具明显暗斑;复眼较小,下缘间距1.5倍于复眼高;背面观上眶明显长于复眼;单眼后区宽长比等于1.2,后缘宽1.2倍于前缘;侧沟向后弱分歧;后足跗节第1、2跗垫间距4倍于第2跗垫长;锯腹片中部锯刃的小齿微小、模糊。正模♀,071(China),四川,贡嘎山,海拔2 800~3 000 m,2009-06-30,Leg.S.M. Blank,A.D. Liston和A.Taeger,CSCSHT00810048(CSCS)。副模1♂,四川峨眉山雷洞坪(29.546°N,103.327°E;海拔2 350m),2009-07-03,钟义海采(CSCS)。词源:新种种名源自雌虫前翅基部烟褐色,端部透明。程氏侧跗叶蜂,新种Siobla chengi sp.nov.(图7~12)新种是S.sturmii种团成员,但触角基部3节大部黑色,雌虫触角端部4节背侧暗褐色至黑褐色,雌虫后足跗节黑褐色,腹部1~7背板黑色,无明显淡环;中胸小盾片前坡强烈倾斜;头部背侧细毛较长且为浅褐色等,与该种团其余种类明显不同。S.longepilosa Malaise雌虫触角端部4节背侧也暗褐色,但该种雌虫触角基部3节全部红褐色,腹部2~3背板全部黄褐色,后足跗节红褐色;复眼小,下缘间距1.5倍于复眼高,单眼后区宽长比等于1.2,腹部背板高度光滑,无刻纹等,与本种不同。正模♀,四川峨眉山洗象池,海拔2 000 m,2006-06-02,钟义海采,CSCSHT00810051(CSCS)。副模:13♀♀,19♂♂,四川峨眉山洗象池,海拔2000m,2006-06-02,钟义海,周虎采;12♀♀,7♂♂,四川峨眉山雷洞坪,海拔2 400m,2006-07-02,钟义海,周虎采;3♀♀,15♂♂ ,四川峨眉山金顶,海拔3076m,2006-07-03,钟义海,周虎采;7♀♀,40♂♂,四川峨眉山雷洞坪,2007-06-12,钟义海,刘飞,张少冰采;5♀♀,38♂♂,四川峨眉山金顶,2007-06-13,钟义海,刘飞,张少冰采;9♂♂,四川峨眉山接引殿,2006-06-11,钟义海,刘飞采;2♂♂,四川初殿,程汉华采;31♀♀,18♂♂,四川峨眉山雷洞坪,海拔2350m,2009-07-03~08,魏美才,肖炜,钟义海,牛耕耘,李泽建采;2♀♀,11♂♂,CSCS11107,四川峨眉山金顶,海拔3071m,2011-06-26,朱朝阳,姜吉刚采;5♀♀,37♂♂,CSCS11108,四川峨眉山雷洞坪,海拔2447m,2011-06-27,朱朝阳,姜吉刚采;3♀♀,1♂♂,CSCS11109,四川峨眉山雷洞坪,海拔2425m,2011-06-28,朱朝阳,姜吉刚(以上标本保存于CSCS);2♀♀,四川峨眉山接引殿,海拔2400~2500m,2009-07-04,Leg.S.M.Blank,A.D.Liston和A.Taeger(SDEI);1♀,1♂,四川峨眉山金顶,2007-06-13,钟义海,刘飞采(UNHM)。词源:新种种名源自模式标本采集者之一的姓氏。
Siobla basifusca sp. nov. and S. chengi sp. nov. are described as new from Sichuan,China. Both species are members of S. sturmii group. Totally 38 species of Siobla have been recorded from Sichuan Province.
出处
《动物分类学报》
CSCD
北大核心
2013年第3期597-602,共6页
Acta Zootaxonomica Sinica
基金
supported by the National Natural Science Foundation of China(31172142)
Graduate's Scientific Research Foundation of Central South University of Forestry and Technology(2009bx02)
Hunan Provincial Innovation Foundation for Postgraduate(CX2011B314)