Arhopala asinarus or broad-banded oakblue, is a butterfly in the family Lycaenidae. It was described by Cajetan Felder and Rudolf Felder in 1865. It is found in the Indomalayan realm.[1]
Male forewing 21 mm. dark shining blue, border 7 mm. wide at apex to 3 mm. wide at dorsum and 2mm. wide on hindwing. The verso is darker and may have a faint purple gloss. Female blue, border as in the male. tounguva Beneath very much like perissa, but the male above is not ultramarine but of a glaring violettish blue with an intense lilac gloss.[2]