Arhopala pseudomuta

Arhopala pseudomuta, Raffles's oakblue, is a species of butterfly belonging to the lycaenid family. It was described by Otto Staudinger in 1889. It is found in Southeast Asia - Peninsular Malaya, Singapore (A. p. )pseudomuta),Langkawi, Mergui, Burma, Thailand (A. p. ariavana Corbet, 1941),Sumatra, Borneo (A. p. contra (Evans, 1957) )

Description
A. pseudomuta is much larger than elopura, the male violettish-blue, almost-lilac, the under surface regularly marked, as is to be seen from the figure; Malacca, Borneo. A. rafflesii Nic. [synonym] above dark blue instead of violet, with a slight difference of the postmedian band on the hindwing beneath, where the 4th spot is slightly removed towards the margin.

Subspecies

 * Arhopala pseudomuta pseudomuta (Peninsular Malaysia, Singapore)
 * Arhopala pseudomuta ariavana Corbet, 1941 (Langkawi, Mergui, Burma, Thailand)
 * Arhopala pseudomuta contra (Evans, 1957) (Sumatra, Borneo)

Etymology
The English name honours Stamford Raffles.