"The Green Pug (Pasiphila rectangulata) is a moth of the family Geometridae. It is sometimes placed in the genus Chloroclystis. It is common throughout the Palearctic region (from Ireland to Japan) and the Near East.
Typically this species has green wings with distinct dark bars but it can be quite variable and is often mostly dark brown with little green. The green coloration also fades over time.
The stout larva is green with a reddish stripe and feeds on the flowers of various Rosaceae including apple, blackthorn, cherry, hawthorn, pear and quince. The species overwinters as an egg."
Wikipedia (Green Pug) | CC BY-SA 3.0
Green Pug (Pasiphila rectangulata)
Ryan Hodnett | CC BY-SA 4.0