[3] The diamond pattern on the forewings of this species is variable and can be blurred or faded.

[4][3] P. antiphona inhabit open areas including cultivated places like gardens.

[3] The larvae make a web of silk on the lower side of the leaves and produce see through windows in the leaf structure as they feed.

[3] They pupate in a cocoon made of silk either on the ground or alternatively on their host plant.

[3] Although this species feeds on plants in the Brassicaceae family it is not regarded as a serious pest of agricultural crops.