♂. Differs from typical S. annulipes as follows:—General coloration rather darker and duller; rings of femora broader and darker; branches of media and cubitus entirely dark, though not dark-margined. Discal bristles of praescutum stouter, the first four or five placed closer together in a definite row. Terminal projection of side-pieces of hypopygium much more definite, with a much stouter and almost spine-like terminal bristle; structure of hypopygium otherwise identical with that of the typical form.
Gold Coast: Accra, viii. 1916, in bungalow (Dr. J. W. S. Macfie). Type, ♂, in the British Museum, presented by the Imperial Bureau of Entomology.