中国脊筒天牛属分类研究(鞘翅目:天牛科)

TAXONOMY ON THE GENUS NUPSERHA THOMSON FROM CHINA (COLEOPTERA:CERAMBYCIDAE)

系统整理了中国脊筒天牛属的全部种类 ,共 31种 ,给出了所有种类的分类检索表。记述了新种暗背脊筒天牛NupserhafuscodorsalisWangetChiang ,sp .nov .及 2中国新纪录种三斑脊筒天牛NupserhamultimaculataPic和黑肩脊筒天牛NupserhanigrohumeralisPic。新种正模保存于西南农业大学昆虫标本馆 ,副模共

species of Nupserha Thomson from China are reported in this paper.Among them,one species, Nupserha fuscodorsalis is described as new to science and two species, Nupserha multi-maculata Pic and Nupserha nigrohumeralis Pic are recorded for the first time from China.A key of all Chinese species is given. The holotype specimen is deposited in the Insect Collection of Southwest Agricultural University, 5 paratype specimens are deposited in Nankai University.1 Nupserha fuscodorsalis Wanget Chiang,sp.nov. (Figs.1-3) Black;antennae black, head, pronotum and scutellum yellowish-brown, blackish-brown in most disc of elytra;front femora and tibiae yellowish-brown,disc of the 4th segment and last segment of abdomen. Head as broad as prothorax,antennae as long as body,3rd about as long as 4th and both longer than scape;frons transverse,broader than lower eye-lobe;a fine median groove in the middle of frons and occiput,finely punctured;lower eye-lobe distinctly transverse,about 4 times as long as gena.Pronotum broader than long,deeply contract at both base and apex. Scutellum triangular; elytra slender,punctures small and ranked in lines;with a developed carina behind humeral angle, slightly truncate apically;hind femora exceeding posterior margin of 2nd segment of abdomen. Male genitalia(Figs.2-3).Stout. Tegmen slightly shorter than median lobe with median struts; lateral lobes short, rounded obliquely and furnished with soft fine setae apically; ringed part hemmed and geniculated; median lobe with median struts strongly curved, the former slightly longer than the latter; ventral margin of median orifice rounded; Ejaculatory ducts single. Length 10.5*!mm,breadth 3.0*!mm. Holotype ♀,Dagonggonglunshuishan(25°8′N,98°35′S),2*!100*!m,Baoshan County, Yunnan Province,13 June 1979;paratypes:2♂♂,Lijiang,Yunnan Province, 24 Aug.1979, by LING Zuo-Pei;1♂,Mt.Yulong,2*!800*!m,Lijiang, Yunnan Province, 12 Aug.1979,by ZHENG Le-Yi;1♂, same locality,14 Aug.1979,by LING Zuo-Pei. Similar to N.brevior (Pic,1908) in appearance,distinguished by lower eye-lobe of female 4 times as deep as gena instead of less than 3 times,elytral disc black instead of whole black;with a developed carina behind humeral angle;front femora and tibiae golden instead of mostly black.2 Nupserha multimaculata Pic New record to China. Specimens examined: Lingchang County (23°53′N, 100°6′S), 1*!130*!m, Yunnan Province,24 Jun.1980; Fengqing County (24°35′N, 99°55′S),1*!800*!m, Yunnan Province, 8 July 1980, by ZHANG Fu.3 Nupserha nigrohumeralis Pic New record to China. Specimens examined: Jian Chuan, Mt.Laojun (26°37′N, 99°54′S), 3*!100*!m, Yunnan Province,22 July 1980.