Patania ruralis
Patania ruralis, the mother of pearl moth, is a species of moth of the family Crambidae. It was described by Giovanni Antonio Scopoli in 1763. It is found in Europe.
The wingspan is. The moth flies from June to September depending on the location.
The larvae feed on stinging nettle and are notable for their rolling locomotion. Scientists used the rolling behavior of the caterpillar as a model to create next-generation robots that roll.
