摘 要:记述为害白榆的叶蝉1新种:白榆东方叶蝉Orientus ulmeus Li,Song et Yan sp.nov.。新种模式标本保存在贵州大学昆虫研究所。
Abstract: A new species of leafhopper, Orientus ulmeus Li, Song et Yan sp.nov.,injurious to Ulmus pumila is described in the article. Body length (incl. tegm.): ♂4.8~5.0 mm,♀5.8~6.0 mm. Holotype♂:paratypes 1♂,6♀♀, Shanghe, Shangdong Province, 9, May,2006,coll. by Yan Jiahe.Host plant:Ulmus pumila. This new species is similar to Orientus ishidae (Matuumura,1902) in appearance,but can be distinguished from latter by:1)face pale orange,with irregular fusco-piceous stripes;2)the inner peocess of pygofer side short and broad;3) subgenital plate thread-like at apex.All the type specimens are deposited in the Institute of Entomology,Guizhou University.
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