Dragons and damsels
Seeing these small, colourful insects darting around rivers and ponds, it's hard to imagine that in prehistoric times, some of them would have had wingspans of up to 70cm in length - double the length of that ruler on your desk!
and belong to an order of insects known as '' from the Greek word for tooth. This refers to the fact that they have teeth on their lower mandibles for grasping and crushing food with - like many other insects!
To the untrained eye they can look pretty similar in appearance, especially in flight but there are a few easy ways to tell them apart.
Damsels are small, delicate looking insects and weak flyers - often resting and always with their wings folded back.
Dragonflies on the other hand are stockier built, stronger fliers and not afraid to move further away from water sources. Unlike damselflies they rest with their wings open, like aeroplanes.
Andrew from our Wales Nature Flickr group spotted this broad bodied chaser dragonfly in , Tredegar:
But whatever your preference both come in a startling array of colours and are a photographers dream as they'll happily sit and rest for a few minutes in the sun whilst you get your shots.
If you're a member of our Flickr group then take a look at . They come in all shapes and sizes!
Keith Moseley snapped this large red damselfly at Coed y Bwynydd, north of Usk:
If this blog has wet your appetite and you'd like to know more about these fascinating creatures - then you're in luck.
are offering a guided dragonfly and damselfly walk on Wednesday, 25 August at 1.30pm.
During the walk you'll have an opportunity to go pond dipping and catch dragonfly nymphs.
These strange creatures live in water for up to three years before emerging as flying adults and only live for a few weeks in order to mate.
There's a nice guide to .
Gull
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