Pleurota bicostella is a moth of the family Oecophoridae. It is found in the Palearctic realm.
The wingspan is about 24 mm. The forewings are fuscous, irrorated with whitish; a white costal streak from base to near apex, edged beneath by a brown streak; stigmata black. Hindwings are grey. The larva is pinkish-grey, marbled with brown on sides; dorsal and subdorsal lines brownish; dots blackish; head and plate of 2 yellowish -brown, latter darker-marked.
The moth flies from June to July depending on the location.
The larvae feed on Erica species.