Hylaea fasciaria, the barred red, is a moth of the family Geometridae. The species can be found in Central and North Europe, Urals, Caucasus, Altai and East Siberia. The wingspan is 27–40 mm. The forma fasciaria has a rust-red leaf colour, the forma prasinaria has green coloured wings. Both have on the front wings two slightly irregular curved, thin transverse bands, the midfield thus closed has usually a slightly darker colour. These bands are pale whitish coloured in the rust-red form, in the green form the colouring varies from pale whitish to beige to light brown. In addition in the green form the front edge of the front wing (costa) is weakly coloured in the same shade, the outer edge of both pairs of wings is fringed in this colour.The hindwings are usually somewhat lighter in colour