Enargia paleacea, the angle-striped sallow, is a moth of the family Noctuidae. It is found in the Palearctic realm from Ireland to Siberia[1] East to Japan.
The wingspan is 40–60 mm. Forewing pale yellowish ochreous, dusted with rufous; the female deeper yellow than the male; inner and outer lines fine, reddish brown; median shade reddish-brown, more diffuse, angulated: subterminal line hardly marked; orbicular and reniform stigmata outlined with reddish brown, the lower lobe of reniform filled up with grey; a series of dark terminal spots; hindwing whitish yellow: ab. angulago Haw. is deep orange instead of pale yellow: teichi Krul. occurring in Germany and W. Russia has the space, between inner and outer lines or between median and submarginal suffused with reddish grey or brown.[2]
The moth flies from June to October depending on the location.
The larvae feed on birch and sometimes Populus tremula.