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Tag Archives: Enallagma cyathigerum

A bumper day, part 1

07 Thursday May 2026

Posted by sconzani in insects

≈ 4 Comments

Tags

Azure damselfly, Brachytron pratense, British damselflies, British dragonflies, British odonata, Coenagrion puella, Common blue damselfly, Enallagma cyathigerum, Hairy dragonfly, Odonata

Last Thursday, the final day of April, dawned sunny and clear-skied, though the cool nor’easterly that has plagued us recently was still blowing. Temperatures in the previous days had been warm and were forecast that day to rise to the high teens so I thought it might be worth checking sheltered places for any newly emerged dragonflies. That proved to be one of my better ideas as the day ended up being a bumper day for new sightings, both for the Odonata species shown here and for the butterflies that will feature in the blog I will publish tomorrow, A bumper day, part 2.

There is one small clearing at Cosmeston Lakes Country Park where I sometimes find early damsel- and dragonflies so I checked there first, and bingo! Just as I eased past the vegetation to peer in to the clearing, a dragonfly flew up and away.

My heart sank a little, but I waited. Five minutes later, the dragon returned but simply circled the clearing and flew off again. I waited. Another five minutes passed and, this time, after circling around the trees and shrubs once again, the dragon settled. This was my first Hairy dragonfly of the year, Brachytron pratense.

From the clearing I walked across to check a path leading down to the west lake, where there used to a bird hide before local youths burnt it down. At the top of the path, a particularly warm, sheltered spot was alive with many gorgeous little damselflies, basking on the leaves of Bramble and feeding on low-growing wildflowers. Although I had already seen several Large red damselflies before that day, the other two species, those shown here, were first sightings for 2026. The damselfly above is one of the Azure damselflies (Coenagrion puella) I saw, and below is a Common blue damselfly (Enallagma cyathigerum).

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Three blues

11 Wednesday May 2022

Posted by sconzani in nature

≈ Comments Off on Three blues

Tags

Azure damselfly, Blue-tailed damselfly, British damselflies, Coenagrion puella, Common blue damselfly, Enallagma cyathigerum, Ischnura elegans, Odonata

After spotting my first damselflies of the year (Large reds) on 21 April, there was quite a lull (probably dull-weather-induced) until any further species appeared. But, on a warmer, sunnier day last week (3 May), all three of the more common blue species appeared together. They are:

220511 azure damselfly

Azure damselfly (Coenagrion puella)

220511 common blue damselfly

Common blue damselfly (Enallagma cyathigerum)

220511 blue-tailed damselfly

Blue-tailed damselfly (Ischnura elegans)

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National Dragonfly Week: Common Blue damselfly

29 Friday Jul 2016

Posted by sconzani in insects, nature

≈ 13 Comments

Tags

Common blue damselfly, damselflies, damselfly, Enallagma cyathigerum, National Dragonfly Week 2016

We’re over half way through National Dragonfly Week 2016 and now we get to some of the trickier critters to identify because there are several blue-coloured damselflies. In fact, in the course of preparing this and tomorrow’s blog posts, I’ve had to call in the experts to check a couple of my photos. When my books and keys don’t quite cover it, the ‘experts’ I use are all the wonderfully helpful folks on the UK Dragonflies & Damselflies group on Facebook – highly recommended!

160729 Common blue male (1)
160729 Common blue male (2)

As we don’t get Southern damselflies (also blue) in Cardiff, the two blues I sometimes have trouble with are the Common Blue and the Azure. The key features to look out for in the Common Blue damselfly (Enallagma cyathigerum) can be seen in the photos above: no Coenagrion spur (a short black line below the other markings) on the thorax, and broad antehumeral stripes (the blue stripes on the top of the body are wider than the black stripes beneath them). The males also have that thistle-shaped mark at the top of their ‘tail’ but this is not so easy to see in the females (which, as you can see below, are not blue) because of their blacker markings. If this all sounds like gobbledygook, you can get more ID help on the British Dragonfly Society webpage.

160729 common blue fem (1)
160729 common blue fem (2)
160729 common blue fem (3)
160729 common blue fem (4)
160729 common blue fem (5)
160729 common blue fem (6)

The Common Blues are the only damselflies I’ve managed to catch in their full mating ritual, showing the ‘mating wheel’. Sometimes, when you see these, they are the exact shape of a heart … awwwww!

160729 Common blue mating

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About me

sconzani

sconzani

I'm a writer and photographer; researcher and blogger; birder and nature lover; countryside rambler and city strider; volunteer and biodiversity recorder.

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