Arctosa coreana
Arctosa coreana 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 6.5–7.5 mm, while males' body length is 5.0–6.0 mm. The spherical carapace is a reddish brown. Generally this spider is observed in grasslands, from April to August.