Small Staff Sergeant drinking from a
puddle of stagnant water in northern Vietnam.
underside, the wings have a black and brown ground-colour, with a pattern of
white and pale lilac streaks and spots. Above the wings of the male are
brownish-black, with a single white bar that stretches across the wings but ends
at the lower apex of the forewings, which each have two larger and one smaller,
obliquely-placed white patches.