This is a black butterfly with "fearsome" white eyespots ringed in blue. Their purpose is to discourage predators.
Taken with a Nikon D200 and a AF Nikkor 28-85mm, f 3.5-4.5 lens at 85 mm.
S, 1/125, f8, ISO 200. Taken at the Callaway Gardens Butterfly Center, Pine Mountain, GA