The black cutworm, Agrotis ipsilon (Hufnagel, 1766) is a cosmopolitan pest that poses an economic threat to many crops such as pepper, corn, perilla, etc. A. ipsilon can be mass reared by providing Chinese cabbage, Brassica rapa under 60~70%, 16L:8D and 25±1℃ in laboratory. This study presents the mass rearing methods and the morphological characteristics of the immature stages of A. ipsilon including descriptions of the each immature stages.

• Hee a Lee(Gyeonggi Agricultural Research and Extension Services)
• Young Su Lee(Gyeonggi Agricultural Research and Extension Services)
• Hee Ok Min(Gyeonggi Agricultural Research and Extension Services)
• Eun Ju Park(Gyeonggi Agricultural Research and Extension Services)
• Sun Myoung Park(Gyeonggi Agricultural Research and Extension Services)
• Gyu Sook Lee(Gyeonggi Agricultural Research and Extension Services)