Charaxes (Polyura) caphontis is a butterfly in the family Nymphalidae. It was described by William Chapman Hewitson in 1863. It is endemic to Fiji. The only species of the genus [Eriboea (Polyura pars]with a reddish-brown double-row on the upper surface of the hindwings. The under surface of the male is dark chestnut brown, of the female greyish-brown. The markings of the upper surface are repeated, except the greenish band of the hindwings, which, moreover, in the female consists only of a thin line on the upper surface. Flying time according to Woodford in November, the rainy period, in the Fidji Islands. According to Rothschild and Jordan there are also males with a yellowish median band being distinctly pronounced also on the under surface of the hindwing

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