 In most cases where one species is found to be using the opposite type of eye than expected, it is because they are active during the opposite time of day than is normal for other butterflies or moths

Most moths are nocturnal or crepuscular while most butterflies are diurnal.There are however exceptions, including the spectacular Uraniidae or sunset moths.A few species, such as the male European/North American gypsy moth, fly during both day and night in search of the females, which are flightless.