Three species of the genus Chlorophanus Sahlberg are recognized and one species is questionable species from Korea. Among them, Chlorophanus planus Cyllenhal is reported for the first time from Korea. External and genital characteristics for the species is redescribed and illustrated. Key to the species are provided. Sexual dimorphic variations are described and illustrated.

• Han, Kyung-Duk(Korean Entomological Institute Korea University)
• Yoon, Il-Byung(Korean Entomological Institute Korea University)