Hyalites vesperalis male (Grose-smith, 1890)
August 6, 2003 - Berandjoko - Likouala - Congo Republic © Frédéric Vivien

Hyalites vesperalis or Acraea vesperalis depending on the taxonomic source. It may also be the species pentapolis. The indices supporting vesperalis are rather weak: shape of the wings, size of the orange pathc, ...