One new record of the genus Aulacorthum Mordvilko (Hemiptera: Ahphididae) from Korea

Aulacorthum muradachi is recognized for the first time in Korea, on Lindera erythrocarpa Makino in Gyeongsangnam-do and Jeju-do. It is redescribed, illustrated, and measured for the apterous viviparous females. Therefore, eleven species of the genus Aulacorthum have been recorded from the Korean peninsula. A key to species of the genus Aulacorthum from the Korean Peninsula is provided.