Arctosa chungjooensis
Arctosa chungooensis is a wolf spider endemic to the Korean Peninsula.
It was first described in 1994 by Paik Kap Yong.
Females have a body length of 8.5 mm, while males' body length is 5..5 mm. The carapace is a yellowish brown. Generally this spider is observed near water, in wetlands, rice paddies and fields, from June to August.