Dragonflies
They have a thicker and chunky abdomen. Their wings are unequal in size and are open at rest. In males, the large eyes are touching.
Ecological function: prey-predator relationship
Level in food chain: secondary consumer
Feeding behaviour: carnivore
Microhabitat: wet areas like ponds, drains, puddles and streams

Damselflies
They have a thin and narrow abdomen. Their wings are equal in size and are closed at rest. There is a gap between the eyes.
Ecological function: prey-predator relationship
Level in food chain: secondary consumer
Feeding behaviour: carnivore
Microhabitat: wet areas like ponds, drains, puddles and streams.