Gnathothlibus dabrera
Diagnostic description:
Differs from Gnathothlibus erotus in its smaller size and darker ground colour; also the hindwing upperside dark marginal band in the males broader than in males of Gnathothlibus erotus, about as wide as in females of Gnathothlibus erotus. Male wingspan: 62-76.8 mm; female wingspan: 81.5 mm.
Male genitalia: Valve more rounded than in Gnathothlibus erotus. Phallus with rounded process more extended and pointed than in Gnathothlibus erotus and with a sharp projection on left side and a long tooth on right side.