中国江西裸齿角石蛾属二新种(毛翅目,齿角石蛾科)  

DESCRIPTIONS OF TWO NEW SPECIES OF PSILOTRETA (TRICHOPTERA,ODONTOCERIDAE) FROM CHINA

作　　者：袁红银[1] 孙长海[1] 杨莲芳[1] 

机构地区：[1]南京农业大学昆虫系,南京210095

出　　处：《动物分类学报》2007年第4期947-951,共5页Acta Zootaxonomica Sinica

基　　金：国家自然科学基金(30370171);美国自然科学基金(DEB0316504)资助.

摘　　要：描述了裸齿角石蛾属2新种,即背裂裸齿角石蛾Psilotreta dehiscentis sp.nov.和前伸裸齿角石蛾Psilotreta porrecta sp.nov.。标本采集于江西,模式标本保存于南京农业大学昆虫标本馆。Two new species of the genus Psilotreta are described and illustrated herein,i.e.P.dehiscentis sp.nov.and P.porrecta sp.nov.from Jiangxi Province,China.The type specimens of the new species are deposited in the Insect Museum of Nanjing Agricultural University.1 Psilotreta dehiscentis sp. nov. （Figs. 1-7） The species is similar to Psilolreta illuan Malicky, 1989, from Thailand, but differs from it by characters of genitalia： 1） the new species without lateral processes, other than with lateral processes anteroventrad in the latter species; 2 ） the second segment of inferior appendages about 1/3 times as long as the first segment, other than 2/3 times as long as the first segment as in the latter species; 3） pammere short, other than slender as in the latter species. Holotype ♂, Jiangxi Province, Nanchang City （28.68°N, 115.89°E）, Houshan Reservoir, 2.5 km from the northwest of Jiangxi Agricultural University, alt. 90 m, 30 May 1995, coll. WANG Bei-Xing, SUN Chang-Hal. Paratypes： 12♀♀, 18♂♂ , same data as holotype. Etymology. The Latin word ＂ dehiscens＂ means ＂with deep incision＂, in reference to the median dorsal process of abdominal segment X with a deep incision in dorsal view 2 Psilotreta porrecta sp. nov. （Figs. 8-14） The species is similar to Psilotreta illuan Malicky, 1989, from Thailand, and Psilotreta dehiscentia sp. nov., from Jiangxi, but can be distinguished from them by characters of genitalia： 1 ） Lateral processes confused with median dorsal process of segement X, other than separated from median dorsal process as in P. illhuan and without a lateral processes in P. dehiscentis; 2 ） intermediate appendages with a spine, without a spine as in the two latter species; 3 ） the second segment of inferior appendages about 2/3 times as long as the first segment, which is similar to P. illuan, other than 1/3 times as long as the first segment in P. dehiscentis; 4） paramere short, which is similar to P. dehiscentis, other than slender in P. illuan. Holot

关 键 词：齿角石蛾科 裸齿角石蛾属 新种 中国 

分 类 号：Q969[生物学—昆虫学]