Polytremis lubricans

Polytremis lubricans, the contiguous swift, is a butterfly belonging to the family Hesperiidae. It is found in the Indomalayan realm.

Subspecies

 * Polytremis lubricans lubricans (Tibet, India, Indo-China, Yunnan, Malay Peninsula, Sumatra, Java, Borneo, Philippines, Sulawesi, Sangihe, Banggai, Sula)
 * Polytremis lubricans taiwana Matsumura, 1919   (Taiwan, Anhui, Yunnan)

Description
Frederic Moore (1878) gives a detailed description for Hesperia toona: "Male. Differs in the fore wings being slightly more elongate, the hind wing more convex exteriorly, and the anal angle less lobed ; markings above similar, those on the fore wing narrower, the spot between the. median branches elongated and extending to their basal angle ; those on the hind wing very small, the outer spot crossed by a vein. Underside brownish-ochreous ; base of fore wing slightly dusky-ochreous ; markings as above."

- Frederic Moore

Biology
The larva on feeds on Imperata, Microstegium, Miscanthus