Wingspan of 22-28 mm in males and 26-35 mm in females. Forewings white with vein R1 adjoining vein Sc. Hindwings white and frenulum spines single. Anal tufts are orange red in female.
Smooth, white to cream coloured with a red coloured mid dorsal stripe.
Laid in masses on the upper side of leaves near the growing point. Egg masses are covered in tufts of orange-brown hairs from the female.
Southern Asia and Oceania
Rice, sugarcane and wheat.
Early instars feed on unfurling leaves before later boring into the heart of the plant and stems. The top shoot becomes withered and stunted.
3-5 (climate dependent)