The Blotched Emerald (Comibaena bajularia) is a moth of the family Geometridae. It is a found throughout Europe and the Near East. It has a scattered distribution in England and Wales but is absent from Scotland and Ireland.
Blotched Emerald - K.Noble
The wings are green with brown and white chequered fringes and prominent buff and white blotches at the tornus. The forewings are marked with two narrow white fascia. The wingspan is 30-35 mm. It flies at night in June and July and is attracted to light, the male more so than the female.
When the Blotched Emerald is active
The larva is red-brown but uses detritus to camouflage itself. Its food plant is oak and it overwinters as a larva