Pelopidas agna, commonly known as the Dark Branded Swift, is a butterfly

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 belonging to the family Hesperiidae.

Description

"Upperside glossy olive-brown ; forewing with a series of six very small rather indistinct whitish semi-transparent spots curving from before the apex to the middle of the wing ; beneath these is a short oblique pale impressed streak, which is suffused with black on its anterior margin. Cilia pale brown. Underside pale brown ; spots on forewing as above but less defined ; hindwing with a curved discal series of white dots and a single dot near the base. Palpi and body beneath pale brownish-yellow."