One new record of the genus Aulacorthum (Hemiptera: Sternorrhyncha: Aphididae) from Korea

Aulacorthum vandenboschi was recognized for the first time in Korea on Cirsium japonicum var. ussuriense in Jeju-do. The apterous viviparous female is redescribed, illustrated, and measured. To date, 15 species of the genus Aulacorthum have been recorded on the Korean Peninsula. A key to species of the genus Aulacorthum from the Korean Peninsula is provided.

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► Aulacorthum (Aulacorthum) vandenboschi is characterized by dark antenna and dusky cauda.
► A. vandenboschiis is firstly reported from Korea.
► Description of A. vandenboschi is provided in this manuscript.