Dragonflies are insects that evolved around 300 million years ago. There are around 5000 species of dragonflies which belongs to Odonata order i.e.toothed one. These dragonflies live in the temperate zones. They stay mostly near water such as canals, lakes, ponds, rivers, swamps, and streams. Each dragonfly stays alive for six to seven months. Dragonflies are large creatures which have eyes near their head. They have wings i.e. forewings along with the hind wings. The wings spread out when the … [Read more...]