中文摘要：

描述细狭云卷蛾（Stenopteron stenopterum）外部形态、雌雄外生殖器特征。细狭云卷蛾（Stenopteron stenopterum）隶属鳞翅目卷蛾科（Tortricidae）卷蛾亚科（Tortricinae）云卷蛾族（Cnephasiini）。该种主要特征是：前翅窄,底色灰色,基斑不明显,中带宽;雄性抱器腹细,与抱器瓣等长,末端游离部分较长,阳茎与抱器瓣近等长;雌性交配囊内无囊突。研究标本保存在宁夏大学农学院昆虫标本室。

英文摘要：

A detailed Chinese description of the adult of the Stenopteron stenopterum is given for the first time.Images of adults,male and female genitalia are provided.Stenopteron stenopterum blongs to Cnephasiini,Tortricinae,Tortricidae.Main characters are： Forewing narrow,ground color gray,basal blotch indistinct,median fascia broad,sacculus and aedeagus narrow and long,as long as length of valva in male genitalia;whithout signum in corpus bursae.Studied specimens are deposited in the Insects Collection,School of Agriculture,Ningxia University,Yinchuan,China.