Earias biplaga, the spiny bollworm, is a moth in the family Nolidae. The species was first described by Francis Walker in 1866. It is found throughout subtropical Africa including Atlantic and Indian Ocean islands.[1]
Their length is about 10–12 mm, wingspan about 18–25 mm and it is characterised by a dark purplish-brown terminal fringe on the forewing.[2]
The larvae feed on species of Fabaceae and Malvaceae. It is considered as a pest to cotton and cacao.