【摘要】 <正> 素菌瓢虫属Illeis隶属于瓢虫科、瓢虫亚科、食菌瓢虫族、主要取食作物、果树等白粉病的菌丝及孢子,可抑制白粉病的发展,但也可传佈孢子。过去一些学者错误鉴定我国的素菌瓢虫属仅有素鞘瓢虫Illeis cincta(Fabricius)一种,但笔者通过对中国科学院动物研究所标本的整理,发现我国共有四种(其中一种为国内新纪录),并不包括素鞘瓢虫(该种仅产于印度及斯里兰卡)。本文就我国素菌瓢虫属各种的雄性外生殖器的特征提供一更多还原

【Abstract】 The Chinese species of llleis (Coccinellidae: psylloborini) had been misidentified fo-rmerly as I. cincta (Fabricius). After a thorough studying of the material kept in the Institute of Zoology, Academia sinica, the author found out that there are four species of llleis in China, namely:I. confusa Timberlake,I.koelelei Timberlake, I, shaanxiensis Timberlake and I. bistigmosa (Mulsant). The latter is recorded for the Hrst time from China. The distinguishing characters of the male genitalia of the four species are given.更多还原