Females are similar, but have an additional group of black spots on the forewing, which often merge to form a dark ring.

[1] Catopsilia scylla has a wide distribution in South East Asia and Australasia.

Its range stretches from Myanmar, Cambodia, Philippines, Thailand, and Vietnam, along the Malay Peninsula, across Java and Sumatra, and over northern Australia.

[1] In Australia, C. scylla has been recorded on various species of Senna, including S. didymobotrya, S. leptoclada and S.

[3] The eggs are milky white and spindle shaped, and are usually laid singly on a leaf of the host plant.