Brimstone

Opisthograptis luteolata

Common & widespread in Britain,

The Larva is brown or green with a "horn" on its back and feeds on a range of trees & bushes including Hawthorn & Blackthorn.

This species is unmistakable within its range, with bright yellow wings marked with small brown patches along the costa of the forewing and a small brown-edged white stigma, also on the forewing. 

Adults fly from April-October in 3 generations a year.

The Moth sometimes flies during the day but mainly at night, and is attracted to light.