The Castor Semi-Looper (Achaea janata) is a species of moth in the family Noctuidae (owlet moths). It has a wingspan of about 50mm. It has light and dark brown patterned forewings, and black and white hindwings. They are called Castor Semi-Looper Moth, because their caterpillars known as costar semi-looper, feed on costar plant and move by looping.
Castor Semi-Looper (Achaea janata)