胡椒害虫——突顶跳甲属及中国二新种记述  

STUDY OF THE PEPPER PEST GENUS,LANKA MAULIK,ANDDESCRIPTIONS OF TWO NEW SPECIES FROM CHINA(COLEOPTERA,CHRYSOMELIDAE,ALTICINAE)

作　　者：王书永[1] 葛斯琴[1] 李文柱[1] 崔俊芝[1] 杨星科[1] 

机构地区：[1]中国科学院动物研究所,中国科学院动物进化与系统学重点实验室,北京100101

出　　处：《动物分类学报》2012年第2期331-336,共6页Acta Zootaxonomica Sinica

摘　　要：突顶跳甲属Lanka Maulik此前已知17种,分布于中国云南,台湾及日本,越南,泰国,老挝,斯里兰卡和印度,是一个典型的东洋区分布属,在印度是胡椒属植物的重要害虫。又记述2新种:栗褐突顶跳甲Lanka puncticollaW ang et Ge,sp.nov.,产自云南西双版纳;律点突顶跳甲Lanka regularia W ang et Ge,sp.nov.,产自西藏墨脱。至此,该属已知种增至19种,其中中国5种。列出了全部已知种名录、产地、寄主、检索表、部分种的雄虫阳茎图,记述了新种,绘制其整体图和特征图等。新种模式标本保存于中国科学院动物研究所。The genus Lanka Maulik includes 17 species and is a typical Oriental distribution pattern,which distributed in Yunnan,Taiwan of China;Japan,Vietnam,Thailand,Laos,Sri Lanka and India.This genus is also a sever pest of Piper,Piperacea in India.In present paper,two new species of this genus are described here,Lanka puncticolla Wang et Ge,sp.nov.,from Xishuangbanna,Yunnan;Lanka regularia Wang et Ge,sp.nov.,from Mêdog,Xizang.Until now,19 species of genus Lanka are recorded and five of them distribute in China.Also the catalogue,distribution and host-plants of the known species,key to the species,illustrations of male genitalia,habitus and important structures of some species are provide here.The type specimens are deposited in Institute of Zoology,Chinese Academy of Sciences,Beijing,China.Lanka puncticolla Wang et Ge,sp.nov.（Fig.1） Body ovid,dorsum chestnut brown;vertex,antennae,underside of body,fore-and mid-leg,tibiae and tarsi of hind-leg yellowish brown;apex four segments of antennae infuscate,hind femur dark brown.Vertex convex,smooth and impunctate,with deep longitudinal furrow on lateral side,becoming broader behind eyes;frontal tubercles almost rounded;with carina between anternnae;frontal clypeus convex,anterior with triangulated chamfer;antennae filiform,exceeding to mid part of elytra;antennomere 1 robust,two times longer than antennomere 2,3 slightly longer than 2,subequal to 4,antennomeres 5-11 subequal in length,longer than antennomere 3,two times longer than wide.Pronotum broad quadrate,two times broader than long;central disc very convex,lateral sides arched,lateral bead slightly upfold;with tricobothia closed to anterior angles,posterior angles flat,base curved posteriorly;disc with dense and fine punctures,shagreened among punctures.Scutellum triangular,smooth and impunctate.Elytra with humera calli present and convex;disc with regular striae,scute striole confused.Body length 3 mm.Holotype ♀,China,Yunnan,Xishuangbanna,Nabanhe National Natural Reserve,Anmaxinzhai（22.19°N,100.64°E;alt.772 m

关 键 词：跳甲亚科 突顶跳甲属 新种 中国 

分 类 号：Q969.484.4[生物学—昆虫学]