Two new records of the genus Cryptaphis Hille Ris Lambers (Hemiptera: Aphididae) from Korea

► The genus Cryptaphis Hille Ris Lambers 1947 is described for the first time in Korea. ► Cryptaphis geranicola (Shinji 1935) was collected from Geranium thunbergii (Lamiaceae). ► Cryptaphis menthae Takahashi 1961 was collected from Isodon inflexus (Lamiaceae). ► Important characteristics are re-described, illustrated, and measured.