Prosotas gracilis

Prosotas gracilis or The Dark-based Lineblue is a butterfly in the family Lycaenidae. It was described by Julius Röber in 1886. It is found in the Indomalayan realm.

Subspecies

 * Prosotas gracilis gracilis (Moluccas)
 * Prosotas gracilis donina (Snellen, 1901) (Java)
 * Prosotas gracilis ni (de Nicéville, 1902) (Sumatra, Java, Peninsular Malaysia)
 * Prosotas gracilis saturatior (Rothschild, 1915) (Vulcan Island)