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.[2]
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.