Polyura cognatus

Charaxes (Polyura) cognatus, the Sulawesi blue nawab, is a butterfly in the family Nymphalidae. It was described by Samuel Constantinus Snellen van Vollenhoven in 1861. It is endemic to Sulawesi.

Subspecies

 * C. c. cognatus (Sulawesi)
 * C. c. yumikoe Nishimura, 1984 (Banggai)
 * C. c. bellona Tsukada, 1991 (South Sulawesi, Tukangbesi)