Look into my ocelli! Simple eyes.

Ocelli (singular: ocellus) are simple eyes and are found on many different kinds of insects (such as bees, wasps, flies and dragonflies) and spiders. In adult insects, like the beautiful Jewel wasp shown below, photographed by Johan J.Ingles-Le Nobel, there are usually three dorsal ocelli located on the top of the head: two small lateral…

Dragonfly eyes

  Anyone who has ever sat and watched dragonflies flying over a pond; turning back and forth and darting up to investigate an intruder, will not be surprised to learn that they have extraordinarily good eyesight, probably better than any other insect. Just as well perhaps, as they have a very poor sense of smell…