Erebus caprimulgus

It is found from the Oriental Region of India, Sri Lanka, Myanmar to Peninsular Malaysia, Sumatra and Borneo.

Male with veins 4 to 8 of hindwings moderately developed in the aborted costal area.

Similar to Erebus hieroglyphica, differs from having large whorl of forewing and absence of yellow sub-apical bar.

Abdomen with tufts of orange hair in anal segment round claspers.

Ventral side with irregular postmedial series of white posts to both wings.