Rhesala moestalis is a species of moth of the family Erebidae[1] first described by Francis Walker in 1866. It is found throughout subtropical Africa, from Sierra Leone in the west to Somalia in the east and South Africa in the south. It is also found on most of the African Indian Ocean islands.[2] and in South and South-East Asia.
Dark fuscous brown with a greyish tinge; the head and collar dark red- brown. Fore wing with some dark specks on costa; waved ante- and postmedial lines, the latter excurved round cell; the orbicular and reniform large and indistinct and more or less prominently defined by hyaline lines; a dark spot at apex; a marginal series of black specks. Hind wing with a cell-spot with hyaline specks on its edges; a sinuous medial line with dark specks on it; traces of a pale submarginal lunulate line; an indistinct lunulate red-brown marginal band. Some specimens have a dark patch on disk of fore wing; others have the black-speckled medial line of hind wing double towards inner margin. Hab. W.Africa; Japan; throughout India and Ceylon. Exp. 18-24 millim.