About Scirpophaga incertulas Walker, 1863
This species has the scientific name Scirpophaga incertulas Walker, 1863. Adult males are smaller than adult females. The male has a wingspan of 18–22 mm, while the female has a wingspan of 34 mm. Male bodies are brownish ochreous. Their forewings are sprinkled with dark scales, and veins are lightly streaked with fuscous. A black spot is located at the lower angle of the forewing cell. An oblique fuscous line runs from the wing apex to vein 2, and a series of marginal black specks is visible. Male hindwings are ochreous white. Females are fuscous brown, with pale fuscous hindwings. In its ecology, the larvae of this species feed on Oryza sativa, and bore into the stems of their host plant. It is classified as a major rice pest across India, Sri Lanka, and various parts of Nepal, where it annually devastates rice harvests.
