中国蕨叶蜂亚科三新种(膜翅目,叶蜂科)

记述中国蕨叶蜂亚科3新种:美斑长片叶蜂Neothrinax formosula Wei et Xiao,sp.nov,.糙眶侧齿叶蜂Neostromboceros punctiorbita Wei et Xiao,sp.nov和.周氏侧齿叶蜂Neostromboceros zhousyi Wei et Liu,sp.nov。.

THREE NEW SPECIES OF SELANDRIINAE (HYMENOPTERA,TENTHREDINIDAE) FROM CHINA

Three new species of Selandriinae of T enthredinidae from China are described.T he type specimens are kept in the Insect Collection of Central South University of Forestry and T echnology,Changsha,Hunan Province,China.1 Neothrinax formosula Wei et Xiao,sp.nov.(Figs 1-9) Body length.Female 11 mm,male unknown.T his new species is similar to N.formosana Rohwer,1916 from T aiwan,but differs from the latter by the postocellar area 1.3 times as broad as long;antenna distinctly longer than abdomen,the third antennomere shorter than the fourth;hind tarsus yellow brown;the abdominal tergites 2 and 7 entirely yellow brown,the third to sixth tergites with large transverse black macula;the apical 4 antennomeres yellow white;mesepisternum with a narrow yellow white stripe near posterior margin.Holotype ♀,Hunan,M t.M ang,Guizizhai(24°57’N,112°56’E;alt.1 240 m),2 Aug.2006,W EI M ei-Cai.Paratypes:1 ♀,Guangxi,W uming,M t.Daming,Protection Station(23°53’N,108°12’E;alt.220 m),24 M ay 2011,LIU Yan-Xia,XUE JunZhe;1 ♀,Guangxi,W uming,M t.Daming,Liangjiang T own(23°54’N,108°35’E;alt.200 m),26 M ay 2011,LIU Yan-Xia,XUE Jun-Zhe;1 ♀,Hunan,Jiangyong,Qianjiadong,Xiaoguyuan(25°20’N,111°11’E;alt.658 m),12 Nov.2010,LI Ze-Jian;1 ♀,Hunan,Daoxian,M t.Dupang,Zhongping(25°31’N,111° 23’ E;alt.328 m),8 Nov.2010,LI Ze-Jian.Etymology.T he Latin word "formosa" means beautiful and it refers to the color of the abdomen.2 Neostromboceros punctiorbita Wei et Xiao,sp.nov.(Figs 10-21) Body length.Female 12 mm.T his new species is similar to N.rugosulus W ei,2002 from Guizhou,but differs from the latter by female much larger with body length 12 mm;the lateral fovea in both sexes double and deep;frons and lower half of hind orbit denselypunctured and rugose;the upper part of mesepisternum distinctly rugose;the apex of forewing distinctly infuscate;the female antenna distinctly broadened and compressed at middle,the fifth to eighth antennomeres strongly protruding at apex ventrally;lancet with 10 serrulae.Holotype ♀,Guangxi,W uming,M t.Daming,Longwei W aterfall(23° 29’ N,108° 25’ E;alt.1155 m),27 M ay 2011,LIU Yan-Xia,XUE JunZhe.Paratypes:1 ♂,Guangxi,W uming,M t.Daming,Longwei W aterfall(23°29’N,108°25’E;alt.1166 m),29 M ay 2011,LIU Yan-Xia,XUE JunZhe;1♂,Guangdong,M t.Nankun,T iantangding,alt.1200 m,25 Apr.2006,LIANG M in-W in.Etymology.T he specific epithet of the new species refers to the densely punctuated postorbit.3 Neostromboceros zhousyi Wei et Liu,sp.nov.(Figs 22-29) Body length.Female 10 mm,male unknown.T his new species is similar to N.xantholicus W ei,2006 but differs from the latter by the length of female body about 10 mm;the outer third of tegula pale brown;the basal 5 /6 of fore and middle femora black;the basal 2 /5 to 1 /2 of hind femur black;the fore and middle tarsus dark brown;the anterior carina of frons absent;the alaspicula and spiculella large and connected,and with 8 serrulae.Holotype ♀,Guangxi,W uming,M t.Daming,T ianshu Lawn(23°09’N,108°25’E;alt.1106 m),28 M ay 2011,LIU Yan-Xia,XUE Jun-Zhe.Paratypes:1 ♀,same data as holotype;2 ♀ ♀,Guangxi,W uming,M t.Daming,Longwei W aterfall(23°29’N,108°25’E;alt.1166 m),29 May 2011,LIU Yan-Xia,XUE Jun-Zhe;2 ♀ ♀,Guangxi,W uming,M t.Daming,Longwei W aterfall(23°29’N,108°25’ E;alt.1155 m),27 M ay 2011,LIU YanXia,XUE Jun-Zhe.Etymology.T he new species is named after the name of Prof.ZHOU Shan-Yi.