Biston regalis

Biston regalis is a moth of the family Geometridae. It is found in China (Liaoning, Henan, Shaanxi, Gansu, Zhejiang, Hubei, Jiangxi, Hunan, Fujian, Hainan, Sichuan, Yunnan), Taiwan, Russia (Amur, Ussuri), Japan, North Korea, South Korea, India, Nepal, the Philippines, Pakistan and the United States.

Subspecies

 * Biston regalis regalis
 * Biston regalis comitata (Warren, 1899)