中国广西平背叶蜂亚科三新种(膜翅目,叶蜂科)

记述平背叶蜂亚科3新种:薛氏片爪叶蜂Darjilingia xueae Wei et Liu,sp.nov.,黑痣狭腹叶蜂Athlophorusnigrostigmata W ei,sp.nov.,斑背蔡氏叶蜂Caiina maculoterga W ei et Niu,sp.nov.。

THREE NEW SPECIES OF ALLANTINAE(HYMENOPTERA,TENTHREDINIDAE) FROM GUANGXI,CHINA

Three new species of Allantinae of Tenthredinidae from China are described.The type specimens are kept in the Insect Collection of Central South University of Forestry and Technology,Changsha,Hunan Province,China.1 Athlophorus nigrostigmatus Wei,sp.nov.(Figs 1-6) Body length of female 12 mm,male unknown.This new species is allied to Athlophorus perplexus(Konow,1898) but differs from the latter in the pterostigma of forewing black brown,the hind tarsus black brown,the abdominal tergites 1 and 3 entirely black but tergite 2 entirely yellow white;the anterior two thirds of temple finely and densely punctured,weakly shiny;head and mesonotum entirely reddish brown without black;the serrulae of female lancet without distinctly differentiated large proximal subbasal tooth.Holotype ♀,Guangxi,Wuming,Mt.Daming,Longwei Waterfall(23°29’N,108°25’E;alt.1 155 m) ,27 May 2011,LIU Yan-Xia,XUE Jun-Zhe.Etymology.The new species is named after its black pterostigma.2 Caiina maculoterga Wei et Niu,sp.nov.(Figs 7-12) Body length of male 8 mm,female unknown.This new species is similar to Caiina nigritarsis Wei & Niu,2008,but differs from the latter in clypeus black,each femur,tibia and tarsus entirely,the abdominal tergites 1-5 dorsally orange brown;the posterior half of mesoscutellum with some large punctures;clypeus deeply incised to about half length of clypeus;hind wing with complete marginal vein;the hind basitarsus shorter than following four tarsomeres together;the ventral margin of valviceps with only 5-6 fine teeth at about middle.Holotype ♂,Guangxi,Wuming,Mt.Daming,Longwei Waterfall(23°29’N,108°25’E;alt.1 155 m) ,27 May 2011,LIU Yan-Xia,XUE Jun-Zhe.Etymology.The new species is named after its pale macula on abdominal tergites.3 Darjilingia xueae Wei et Liu,sp.nov.(Figs 13-19) Body length of female 9.5-10.0 mm,male unknown.This new species is similar to Darjilingia punctata Saini & Vasu,1996 and D.satakhaensis Saini & Vasu,1996 from India as the mesepisternum distinctly punctured,clypeus white and antenna very long and slender,but D.xueae differs from the latter two species in the clypeus deeply incised to about half length of clypeus;the malar space 0.8 times diameter of middle ocellus;antenna 4 times breadth of head and the third antennomere distinctly shorter than the fourth;the basal fourth of hind femur yellow brown and apical three fourths black;the mesepisternum sparsely punctured and the abdominal tergites without microsculpture.Holotype ♀,Guangxi,Wuming,Mt.Daming,Longwei Waterfall(23°29’N,108°25’E;alt.1 166 m) ,21 May 2011,LIU Yan-Xia,XUE Jun-Zhe.Paratypes:6♀♀,same data as holotype;1♀,Guangxi,Wuming,Mt.Daming,Longteng Hotel(alt.1 368 m) ,23 May 2011,LIU Yan-Xia,XUE Jun-Zhe;1♀,Guangxi,Wuming,Mt.Daming,Protection Station(23°53’N,108°12’E;alt.220 m) ,24 May 2011,LIU Yan-Xia,XUE Jun-Zhe;8♀♀,Guangxi,Wuming,Mt.Daming,Longwei Waterfall(alt.1 155 m) ,27-29 May 2011,LIU Yan-Xia,XUE Jun-Zhe;10♀♀,Guangxi,Wuming,Mt.Daming,Tianshu Lawn(alt.1 106 m) ,28 May 2011,LIU Yan-Xia,XUE Jun-Zhe;2♀♀,Guangxi,Wuming,Mt.Daming,Longteng Hotel(alt.1 367 m) ,30 May 2011,LIU Yan-Xia,XUE Jun-Zhe.Etymology.The new species is named after the collector of the holotype.