The male has the upperside ground colour as in B. shawi. Forewing has the black markings also more or less similar but altogether smaller and narrower, the terminal series of spots reduced to three or four.
The male's upperside ground coloration closely resembles that of B. shawi. The black markings on the forewing are also similar in appearance but more diminutive and slender, with the terminal series of spots reduced to three or four.