This common moth lives in damp heaths and moorlands.
The adult moths are easily distinguished by large, tufted lablial palps.
White Streak is on the wing in June and July and flies at dusk and dawn.
The wingspan of the Pleurota bicostella is around 24 mm.
The White Streak Moth is common and widespread throughout the UK and Ireland except in central and southwestern England.
The larvae of the White Streak Moth live on heather (Erica sp.) in moorland and heaths. They form silky webs on the young shoots of the plants