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Tag Archives: British damselflies

A bumper day, part 1

07 Thursday May 2026

Posted by sconzani in insects

≈ 4 Comments

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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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Emerald damsels

27 Wednesday Aug 2025

Posted by sconzani in insects

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British damselflies, British dragonflies, damselfly, dragonfly, Emerald damsefly, Lestes sponsa, Odonata

This is the final blog in my short series about the dragonflies I saw during last week’s rail journey up the south Welsh valleys to Maesteg. Today’s subject is the Emerald damselfly (Lestes sponsa), a species I’ve seen only twice before, in August 2017 and in September 2021. I’ve looked for them a couple of times at the 2021 location, Parc Penallta, but the small ponds there quickly dry out in hot summers and dog walkers allow their charges to splash about in them, displacing more water and polluting the water with the dogs’ chemical flea treatments. These are probably some of the reasons why the population of this damselfly species has been in steady decline since the 1990s.

Emeralds are relatively large for damselflies and rest with their wings outspread, hence their European common name, Common spreadwing. Their bodies are metallic green, though the colours of some parts of their abdomens vary depending on whether they are male or female, immature or aging. Emeralds favour shallow standing waters, like bog pools and ponds, especially when these are surrounded by tall grasses, rushes and sedges.

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R is for Red-eyed damselfly

23 Monday Dec 2024

Posted by sconzani in insects

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British damselflies, damsefly, Odonata, Red-eyed damselfly

Finding my first-ever Red-eyed damselflies, and at a previously unrecorded local site alongside the River Ely, was another of my most treasured wildlife moments of 2024 (Lifer: Red-eyed damselfly, 24 May). Unfortunately, I’m not going to be able to see them at that location again for at least the next three or four years as the walkway access has recently been closed to pedestrians while adjacent apartment blocks are being re-clad. The good news is that there is another site, along one of Cardiff’s inner city canals (More Red-eyed damsels, 26 June), where I should be able to find them again next summer.

241223 r is for red-eyed damselfly

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More Red-eyed damsels

26 Wednesday Jun 2024

Posted by sconzani in insects

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British damselflies, damselfly, Erythromma najas, Odonata, Red-eyed damselfly

At the beginning of the year I’d never seen Red-eyed damselflies before. Then I found them along the River Ely in Cardiff in May (Lifer: Red-eyed damselflies, 24 May). And last Friday I had a wonderful time watching them flitting about on Cardiff’s inner city canals.

240626 red-eyed damseflies (1)

According to the NBN Atlas records for Erythromma najas, they were first reported in that location last August. I had been meaning to check the site but hadn’t got around to it before a local birder reported seeing them last Thursday.

240626 red-eyed damseflies (2)

Friday was a dull day (it’s usually easiest to see dragon- and damselflies in warm sunshine) but more pleasant for me walking to the area so I thought I’d take a chance.

240626 red-eyed damseflies (3)

At this time of year, the canals are almost covered by weed and lily pads, where the Red-eyed damselflies might be expected to be seen sitting, but they also like to use waterside vegetation to perch on and that’s where I eventually found them. What gorgeous creatures they are!

240626 red-eyed damseflies (4)

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Lifer: Red-eyed damselfly

24 Friday May 2024

Posted by sconzani in insects

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British damselflies, British odonata, damselfly, Erythromma najas, Large redeye, Odonata, Red-eyed damselfly

I was having a lovely time watching the antics of the Mute swan cygnets (Eight cygnets, 18 May) when this little damselfly flitted up from the water a couple of metres below where I was standing and settled on the path by my feet. I’m happy to admit that I had no idea which species it was but I did think it ‘looked different’ and so was happily surprised that it stayed put while I took lots of photographs.

240524 red-eyed teneral male (3)

At home, once I’d gone through my images, I trawled through my guide book and checked online websites, but I couldn’t work out what this damselfly was. So, as often happens, I posted some photos on Twitter/X and asked for help. Two people popped up with Red-eyed damselfly (Erythromma najas, also known as Large redeye) as a possibility, one of them tagged a local dragonfly recorder, and I tagged Dave Smallshire, co-author of the Europe’s Dragonflies guide book.

240524 red-eyed teneral male (1)

Within a couple of hours, the identification had been confirmed, though the gender took a little longer to determine. Dave Smallshire came to the rescue: ‘It’s a newly-emerged male Red-eyed Damselfly. ID is always tricky with teneral, but this has pale terminal segments and lacks pale ‘shoulder’ stripe.’ As well as being a lifer for me, my find was in a new site for Cardiff, and the following day both a male and female were seen, so I’m excited to go back myself and look for more.

240524 red-eyed teneral male (2)

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Beautiful jewelwing

17 Friday May 2024

Posted by sconzani in insects

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Beautiful Demoiselle, British damselflies, Calopteryx Virgo, Calopteryx virgo ssp virgo, Odonata

My first two Beautiful demoiselles of the year, seen flying along the edges of the woodland rides at Casehill Woods last Sunday, were both camera shy but this third demoiselle, the first female was much more cooperative. The Beautiful demoiselle, also sometimes, most appropriately called Beautiful jewelwing, bears the scientific name Calopteryx virgo, and I can go further to add that she is the sub species virgo, because of the pale colour at the base of her wings. And, in fact, looking back through all my photos of this species, I see that all are this subspecies, so perhaps they are the only ones found in my part of south Wales.

240517 beautiful demoiselle (1)

My guide book, Smallshire and Swash’s Europe’s Dragonflies, notes that this is the ‘largest demoiselle in Europe’ and that this species ‘frequently strays well away from water’. Well, that second fact is most definitely true for the beautiful creature pictured here: she was flitting along the trees edging a footpath at least 500 metres from the nearest water.

240517 beautiful demoiselle (2)

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Azure bluets

14 Tuesday May 2024

Posted by sconzani in insects

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Azure bluet, Azure damselfly, British damselflies, British odonata, Coenagrion puella, damselfly

These beautiful creatures were my most recent odonata finds of the year. In Britain, we tend to call them Azure damselflies but they are more widely known as Azure bluets (Coenagrion puella), the Bluets being the family of small damselflies whose males are mostly blue and black. Together with the Common blues/bluets (Enallagma cyathigerum), these are the two most common blue damselfly species across Europe.

240514 azure damsels

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Seven damsels flying

20 Saturday Apr 2024

Posted by sconzani in insects, spring

≈ 7 Comments

Tags

British damselflies, British odonata, damselfly, Large Red damselfly, Pyrrhosoma nymphula

The odonata season has kicked off for me several days earlier than in previous years with the emergence locally of the Large red damselflies (Pyrrhosoma nymphula).

240420 large red damselfly (1)

The two shown here are from a total of seven of these little beauties I found in three different locations at Cosmeston Lakes Country Park on Thursday.

240420 large red damselfly (2)

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D is for damselfly

09 Saturday Dec 2023

Posted by sconzani in insects

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British damselflies, damselfly, Odonata, Small red-eyed damselfly

Damselflies have flitted in to these pages three times this year: a Large red damselfly appeared as if by magic in A damsel dropped in on 2 May and a pair of the jewel-like Beautiful demoiselles featured in The beautiful couple on 7 June. The damselfly highlight, though, didn’t appear until late June, when I saw Small red-eyed damselflies for the very first time (Lifer: Small red-eyed damselfly, 29 June), and what gorgeous little creatures they are. My photographs do not do them justice, so I’m very much looking forward to seeking them out and photographing them again in the new year.

231209 small red-eyed damselfly

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Lifer: Small red-eyed damselfly

29 Thursday Jun 2023

Posted by sconzani in insects

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British damselflies, damselfly, Erythromma viridulum, Odonata, Roath Park Lake, Small red-eyed damselfly

One day last week, for a change of scene, I headed to north Cardiff, for a wander around the area where I flatted when I first moved to Cardiff almost eight years ago. By chance, when I was wandering through the wild area at the northern end of Roath Park I bumped into a birder I know, who also happens to be a park ranger. I told him I was heading for Roath Brook to look for the Banded demoiselles I’ve seen there in the past, and he mentioned the Small red-eyed damselflies to be found around the lake. I’d never seen one of those so I made it my day’s mission to find one.

230629 small red-eyed damselfly (2)

It was hot standing in the full sun, staring at the vegetation, trying to check all the blue damselflies, but it was worth the effort. I found my first Small red-eyed damselfly (Erythromma viridulum) at the northern end of the lake. And then, at the southern end, by peering over the railing of the dam, I spotted several more flitting about and perching on the duckweed. My photos aren’t very good, I’m afraid, but the British Dragonflies website has some crackers.

230629 small red-eyed damselfly (1)

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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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