Wings are brown and lack eyespots.
Underside of hindwing has a silvery patch at the outer margin which contains 4 black reflective spots. Eggs are laid on or near the host plant. Caterpillars feed at night and hide at the base of the plant during the day. Fourth-stage caterpillars hibernate. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.