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~ a celebration of nature

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Tag Archives: Colias croceus

Sunshine in a butterfly

04 Monday Aug 2025

Posted by sconzani in insects

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Tags

British butterflies, butterfly, Clouded yellow, Colias croceus, Dorset butterflies, migrating butterflies, RSPB Lodmoor

I’ve been away for another mini break, staying once again in Weymouth, on Dorset’s south coast, for four nights, spending my three and a half days surrounded by birds and butterflies (also crowds of summertime beach visitors, though, fortunately for me, most of them weren’t in Weymouth for the same kind of wildlife as I was). With cool winds and lengthy spells of drizzle, the weather wasn’t as good as during my visit in early June, but I saw lots of lovely creatures that I will share with you over the coming week.

First up today is the first of four new-for-2025 butterfly species I saw, this gorgeous Clouded yellow (Colias croceus), a butterfly I don’t see in south Wales every year as they’re migrants from Europe and their appearance on our shores depends a lot on weather and wind direction and how their population is faring. This sighting was particularly welcome, as I had spent Tuesday morning wandering around the RSPB’s Radipole reserve in almost constant drizzle, then headed for an afternoon wander around RSPB Lodmoor. This little drop of sunshine fluttered up right in front of me when I got to Lodmoor, a sign of the lovely afternoon to follow.

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282/366 Saffron surprise

08 Thursday Oct 2020

Posted by sconzani in autumn, insects

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Tags

British butterflies, butterfly, Clouded yellow, Colias croceus, Cosmeston Lakes Country Park

After the strong winds and heavy rain of recent days the last thing I expected to see at Cosmeston yesterday was this Clouded yellow butterfly (Colias croceus). I was initially surprised at what good condition it was in but, in his Life Cycles of British & Irish Butterflies, Peter Eeles writes that ‘In good years, this species can produce up to three broods in the south of England, with the third brood emerging in late September and October.’ Presumably, this is also true for south Wales and, as several other butterflies have had additional broods this year, I wonder if this saffron beauty is one of a newly emerged third brood.

201008 clouded yellow

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Two more lovelies

08 Wednesday Aug 2018

Posted by sconzani in insects, nature

≈ 4 Comments

Tags

British butterflies, butterflies, butterfly, Clouded yellow, Colias croceus, Lasiommata megera, Wall brown, Wall butterfly

As I mentioned in yesterday’s post, last Sunday’s birding didn’t only produce some nice bird sightings, it also featured an abundance of beautiful butterflies, including two newbies for me.

180808 clouded yellow (1)
180808 clouded yellow (2)

I’ve been keeping an eye out for Clouded yellows (Colias croceus) for a couple of months now, as these immigrants can fly in from the southern parts of Europe and even north Africa as early as June. The occasional sighting has been reported in my area, with one being seen at Lavernock as recently as last Friday, but I hadn’t managed to spot one myself … until last Sunday.

180808 clouded yellows (3)

Ace birder Gareth spotted the first as we walked along the coastal path at Rumney Great Wharf, on the eastern side of Cardiff, and then a second was spotted soon afterwards. And then, as we retraced our steps back to the starting point of our walk, I spied two more, obviously a male and female engaged in their pre-mating aerial display. Luckily, their focus on mating meant I was able to get some open-wing photos, which, though not particularly sharp, are quite difficult with this butterfly, as it usually zooms along at quite a rate of knots.

180808 wall (1)

The second butterfly, which was again spotted by Gareth, was a first-ever sighting for me. This is a Wall (Lasiommata megera, until recently called a Wall brown), so named because of its liking for sunning itself on rocks, banks and, you guessed it, walls (though this one was not living up to its name!).

180808 wall (3)
180808 wall (2)

This particular Wall had been in the wars and was missing half of one wing and a third of the other, but was still flying well enough. I’m not sure I would have spotted it myself as, in flight, it looked very much like a small Meadow brown or a Gatekeeper, so I’m particularly grateful for Gareth’s sharp eyes.

I’ve had a fabulous summer of butterfly sightings, with my species total now on 34, but will these two be the final two species I see for 2018? Only time will tell.

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Leps at Combefield Quarry

24 Tuesday Oct 2017

Posted by sconzani in insects, nature

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British butterflies, butterflies, butterfly, Clouded yellow, Colias croceus, Colias croceus f. helice, Combefield Quarry, Comma, Peacock, Red Admiral

171024 Combefield Quarry

We went for a wander around Combefield Quarry in Portland looking for birds but found butterflies instead. And very nice butterflies they were too, especially considering we are now half way through autumn. There were two Peacocks, a Comma, Speckled woods and Red admirals …

171024 Peacock (1)

171024 Comma
171024 Red admiral

And the icing on the cake was not one but two Clouded yellows (Colias croceus). But wait there’s more … I’ve been told that the paler of these Clouded yellows may well be the helice variety (Colias croceus f. helice), which is something of a rarity. So, we were privileged indeed with our Lepidoptera sightings that day.

171024 Clouded Yellow f. helice
171024 Clouded yellow

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Clouded yellows

16 Wednesday Aug 2017

Posted by sconzani in insects, nature

≈ 7 Comments

Tags

British butterflies, butterflies, butterfly, Clouded yellow, Colias croceus, Lavernock Nature Reserve

Some days are just good days! On the same day that I finally caught up with the Spotted flycatchers at Cosmeston, I also saw my first Clouded yellow butterflies, and I’d been chasing those for a couple of weeks as well.

170816 Clouded yellow (2)

Colias croceus is primarily an immigrant – it has occasionally been known to overwinter but is usually killed by the cold and damp of British winters – and flies in for the summer months from southern Europe and north Africa. Way back in 1947, there was a huge migration, with numbers estimated at 36,000, but most years the numbers are much less, and this year very few of my butterfly-watching friends have seen any. So, I count myself very privileged indeed to have seen two at Lavernock Nature Reserve last Sunday.

170816 Clouded yellow (3)
170816 Clouded yellow (1)

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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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