Insects can not close their eyes like we do as they do not have eyelids. * In addition to these daily 'naps', insects have an annual deep sleep, which is a form of hibernation. * This form of hibernation is known as a Diapause. read more
Insects can not close their eyes like we do as they do not have eyelids. In addition to these daily 'naps', insects have an annual deep sleep, which is a form of hibernation. This form of hibernation is known as a Diapause. read more
All adult insects who have compound eyes also have ocelli, usually located on their back or face. Nymphs or naiads of some species, such as the dragonfly or mayfly, also have ocelli. Unlike their larger, more prominent compound eyes, insects' ocelli appear as small swellings. read more