About Blasticorhinus rivulosa Walker, 1865
Blasticorhinus rivulosa has a wingspan of approximately 32 mm. In males, the hindwings have standard neuration. A large vesicular fold is present at the base of the hindwing inner margin, and a tuft of long hair is attached to this fold. The apex of the vesicular fold is truncate. Females have a reddish grey-brown body. On the female forewings, there is a sinuous antemedial line. A dark spot sits on the discocellulars, and specks are located at the origin of vein 2. There is also an irregularly waved postmedial line, and a waved sub-marginal line with a fuscous brown area beyond it. A curved fulvous and ochreous line runs from the wing apex to vein 3. On female hindwings, there are a sinuous medial line, plus lunulate postmedial and sub-marginal lines. The outer area of the hindwings is fuscous brown. Both forewings and hindwings have a fine marginal ochreous line.