This paper reports the genus Pleurota Hubner for the first time from China, with one species ( P. dentata Wang et Li, sp. nov. ) described as new to science and two species ( P. kostjuki Lvovsky and P. obtusella Robel) newly recorded in this country. The genital structure of the new species is illustrated and a key to the known Chinese species is given.%首次报道了侧织蛾属Pleurota Hubner在中国的分布,并记述一新种齿侧织蛾Pleurota dentata Wang et Li,该种采自新疆,与Pleurota rostrella Hubner相似,但可通过雄性外生殖器与之区别:新种阳茎基环基部向前缘明显渐窄,端部不膨大;阳茎基部和端部略宽于中部,基部1/3处弯,中部一侧具齿.同时报道了二中国新记录种:钝侧织蛾Pleurota obtusella Robe1,分布于新疆和俄罗斯;考侧织蛾Pleurotakostjuki Lvovsky,分布于新疆和俄罗斯.文中提供了雌雄外生殖器特征图,给出了中国已知种的检索表.研究标本保存在南开大学生物系.
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