Arctia subnebulosa is a moth of the family Erebidae. It was described by Harrison Gray Dyar Jr. in 1899. It is found in Alaska, Yukon and the Russian Far East.[1]
This species was formerly a member of the genus Pararctia, but was moved to Arctia along with the other species of the genera Acerbia, Pararctia, Parasemia, Platarctia, and Platyprepia.