The White Ermine is a moth of the family Arctiidae. It is found throughout the temperate belt of Eurasia from Europe through Kazakhstan and Southern Siberia to Amur Region, China, Korea and Japan. In China several sibling species occur.
The wingspan is 34–48 mm. Wing pattern is very variable, from entirely white wings to strongly covered with black dots. Hindwings often with one or several black dots . Antennae branches long , 3-5 times longer than the antenna stem diameter.