Promedina japonica Mesnil, 1957: 26. Type locality: Japan, Hokkaido, Obihiro.
Distribution: Palaearctic: Russia: Far East (Khabarovsk Territory, Primorsk Territory, Sakhalin, South Kuril Islands (Kunashir, Shikotan) (Richter 2004), Japan (Hokkaido, Honshu, Shikoku, Kyushu) (Shima 2014), S. Korea (Hirashima 1989, Herting & Dely-Draskovits 1993, Paek et al. 2010), China Provinces (Beijing M., Jilin, Liaoning, Sichuan, Shaanxi); Oriental: China Provinces (Guangdong, Hunan, Yunnan, Zhejiang) (O’Hara, Shima & Zhang 2009).