The November moth (Epirrita dilutata) is a moth of the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It can be found in the Palearctic realm in western Europe from central Scandinavia to the Mediterranean the Caucasus and western Russia. The November moth flies at night from September to November and is attracted to light and sometimes to nectar-rich flowers. The caterpillar is green with red markings and feeds on a wide range of trees and shrubs. The species overwinters as an egg.