Eudonia angustea is a moth of the family Crambidae described by John Curtis in 1827. It is found in southern and western Europe, the Canary Islands, Madeira and Turkey.[1]
The wingspan is 17–22 mm.The forewings are narrow, whitish, mixed with brownish and sprinkled with black; base darker; lines whitish, dark-edged, first oblique,second sinuate ; orbicular outlined with black ; claviform black, touching first line; a black X-shaped discal mark,upper half filled with light brownish ; subterminal line cloudy,whitish, hardly touching second. Hindwings are whitish-grey,terminally obscurely darker.The larva is blackish-grey, slightly greenish-tinged; spots darker or almost black ; head pale brown ; plate of 2 dark brown or almost black.[2]
Adults are on wing from July to late autumn.[3]
The larvae feed on mosses on walls and in sand dunes.