Posts tagged ‘Compound Eyes’

How many eyes does a fly have?


If you have ever tried to swat a fly, you know that this pesky insect seems to be able to see n all directions.  The fly can see any movement you make because it has five eyes—two large eyes and three tiny ones.  You can easily see the two big eyes that cover most of the fly’s head.

These big eyes are called “compound eyes,” and are made up of many little facets packed closely together.  On top of the fly’s head are three tiny simple eyes, called “ocelli,” arranged n a neat triangle.  With its five eyes watching, the fly is usually able to dodge your swatter. – Dick Rogers

What is a dragonfly?

A dragonfly is a graceful, swift-flying insect with a long, slender body and four filmy wings.

Dragonflies are found in almost all parts of the world and are frequently seen on warm summer days patrolling the edges of ponds and streams as they look for food.


Large, compound eyes made up of many tiny eyes cover most of the dragonfly’s head.  With these big eyes it can see its prey easily.

As it flies through the air, the dragonfly holds its legs together to form a basket in which to capture mosquitoes, flies and other insects.

The female dragonfly drops its eggs in the water where they hatch into wingless larvae, called nymphs.  The young dragonflies live in the water from one to three years,  then become adult dragonflies.

Because of many old superstitions, dragonflies sometimes are called devil’s darning needles, snake doctors and mule killers. – Dick Rogers