The Chrysomelid species of the genus Morphosphaera, M. japonica Hornstedt, 1788 is reported for the first time from South Korea. The genus Morphosphaera Baly, 1861, within subfamily Galerucinae, contains eighteen species, and is distributed Palearctic region.
In the present study we report on the genus Morphosphaera Baly, 1861 from Korea for the first time, based on M. japonica Hornstedt, 1788. We provide the habitus photographs, illustrations of diagnostic features and a key to the genus in S. Korea.

• Jinyoung Park(Division of Ecological Survey Research, National Institute of Ecology)
• Ik Je Choi(Gyeongbuk Silkworm Business Center, Gyeongbuk Agricultural Resource Management Institute)
• Jong Eun Lee(Department of Biological Science, Andong National University)
• Jong Kyun Park(Department of Applied Biology, Kyungpook National University)