Arhopala caeca is a species of butterfly of the family Lycaenidae. It is found on Borneo, Sumatra and Peninsular Malaysia.
Seitz-"caeca Hew. (147 e) is very similar to arvina, but beneath still darker, without the anal brightening in the forewing and with a short tail-appendage of the hindwing. The male is above lustrous lilac with a very arrow black margin; the female violettish-blue with a broad marginal black and cell-end spot. [1]