Bibasis sena, commonly known as the orange-tailed awlet,[2] is a butterfly belonging to the family Hesperiidae, the skippers.

This skipper is found in Sri Lanka, India, Myanmar, Cambodia, Thailand, Laos, south Vietnam, Hainan, Malay peninsula, Indonesian archipelago (including Borneo, Java, Kangean, Bali, Lombok, Bawean, Sumba, Sumbawa) and the Philippines.

He records the butterfly as not rare in south Myanmar, the Malay Peninsula and parts of the Indonesian archipelago.

Underside maroon brown; forewing with a large buff-white patch from the middle of posterior margin, bordered above with purple; hindwing with a broad transverse purple white band terminating before the anal angle, the inner border of which is sharply defined, the outer suffusing itself on the disk.

The female is described by Mr. Moore in his "Lepidoptera of Ceylon" as not differing from the male.The skipper has the following subspecies: This butterfly is diurnal.

The male can be seen in the early mornings, basking on the top of leaves in forest glades and hilltops, chasing off intruders.