The present paper gives description of 3 species of the genus, Rodolia concolor (Lewis), Rodolia limbata (Motschulsky) and Rodolia rufocincta Lewis occurred in Beijing, China, provided with illustrations of male genitalia.

本文對北京園林植物上的三種紅瓢蟲(暗紅瓢蟲Rodolia concolor(Lewis)、紅環(huán)瓢蟲Rodolia limbata(Motschulsky)和淺緣瓢蟲Rodolia ru- focincta(Lewis)進行研究,描繪了它們的外生殖器及鑒別特征,其中對淺緣瓢蟲外生殖器的描述尚屬首次。