Birthama obliquifascia is a moth of the family Limacodidae first described by George Hampson in 1893.[1] It is found in Sri Lanka,[2] and India.
Adults are sexually dimorphic. Female much larger and heavier. Forewing fasciation is more distinct in female. Caterpillar with light leaf-green body. Surface of body smooth and perfect semiovoid. Small, thinly brown-ringed disc-like tubercles or dots present. When disturbed, the caterpillar produce a fluid from tubercles. A thin, indistinct white dorsal line is present. Pupation occurs in a smooth fat short chalky-white ovoid cocoon. The larval host plant is Carallia.[3]