Izatha metadelta

The wingspan is 15–18.5 mm for males and 19–25.5 mm for females. Meyrick first described this species as follows:

♂. 17 mm, ♀. 19-25 mm. Head fuscous sprinkled with whitish, with well-marked conical horny frontal prominence concealed in scales. Palpi white, second joint mixed with dark fuscous, with dark fuscous basal and subapical bands, terminal joint mixed with dark fuscous at base, with dark fuscous median band. Antennae dark fuscous ringed with whitish. Thorax whitish, mixed with fuscous in ♂, on patagia ochreous-tinged, anteriorly suffused with dark fuscous. Abdomen dark fuscous mixed with whitish, two basal segments ferruginous-ochreous. Fore-wings elongate, moderate, costa gently arched, apex obtuse, termen straight, rather oblique, rounded beneath; brownish -ochreous or fuscous, more or less sprinkled with whitish and dark fuscous, darkest in ♂, towards costa and dorsum suffused with whitish in ♀; dark fuscous marks at base of costa and dorsum; a small fuscous spot on costa at 1⁄6, and a larger triangular one on dorsum at 1⁄3, latter followed in ♀ by a patch of ochreous suffusion; a dark fuscous subquadrate spot on costa before middle, and a larger subtriangular one extending on costa from middle to 3⁄4; two dark fuscous transverse discal spots before and beyond middle, touching these costal spots respectively, partially edged with black and then with white, first su …