The genus Caligo, commonly known as owl butterfly, after their huge eyespots, which resemble owls’ eyes. They are found in the rainforests and secondary forests of Mexico, Central America and South America.
Owl butterflies are very large, 65–200 mm [2.6–7.9] in. The Latin name may possibly refer to their active periods in dusk. Caligo means darkness.
^ Caligo martia is a butterfly of the Nymphalidae family. The species can be found in Brazil.
Photos: Cecil B. Day Butterfly Center, Callaway Gardens, GA.