The order of insects to which dragonflies belong (Odonata) is divided into two sub-orders.
The first of these (Anisoptera) includes the large, fast-flying dragonflies while the second (Zygoptera) covers the smaller, slower-flying damselflies.
There are 6,500 named species of
dragonfly worldwide. In Britain and Ireland there are about 30 species of dragonfly and about 20 species of damselfly
Habitat: Wetlands, lakes, ponds, rivers, streams, canals, bogs and ditches.
Lifespan: Over a year from egg stage.Read More: Prehistoric Dragonflies