A day in Tiddesley Wood

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My main aim for my little trip to Cheltenham was to try to see my first ever Purple emperor butterfly: I failed. Yet, in spite of that failure, and the late afternoon train chaos (caused by a fault at Birmingham New Street station) that meant I arrived back at my guest house almost two hours later than planned, I had the most wonderful day in Tiddesley Wood in Worcestershire.

The reason this was such a wonderful day was the sheer abundance of butterflies I saw in this woodland, an abundance that has been very sadly lacking in recent years at the various locations I visit in south Wales. The first treat was getting very good views of several White admirals as they were gliding along the woodland rides. (The previous week I’d been to Slade Wood, in Gwent, the only local place I can find this species and seen two, but only distantly and fleetingly.)

The second source of delight was the profusion of Silver-washed fritillaries living in the wood. These are big showy butterflies, the largest of Britain’s fritillaries, and they thrive in the wide wildflower-filled rides of woodlands like Tiddesley. The only location where I’d ever seen such a large quantity before was on a visit to Lower Woods Nature Reserve in south Gloucestershire back in 2019 so I was in butterfly heaven watching them at Tiddesley.

And then there were the ‘ordinary’ butterflies, like this handsome little Brown argus, a gang of which were patrolling small territories along the edges of the rides.

And this stunning Painted lady that flew right to my feet, as if to insist that it was also worthy of a photograph. I was happy to oblige.

For those interested, the total butterfly species list for the day was 19. They were: Ringlet, Meadow brown, Speckled wood, Gatekeeper, Small skipper, Large skipper, Brown argus, Small white, Large white, Green-veined white, Marbled white, Brimstone, Red admiral, Comma, Peacock, Small copper, Painted lady, White admiral, and Silver-washed fritillary. I may have missed out on seeing my first Purple emperor but I headed home smiling after a magical day in the woods.

Spider: Agelena labyrinthica

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Though the distribution of this spider is quite patchy in south Wales, I’ve seen the extensive sheet-like webs they construct in and over and around vegetation in wild meadows, grasslands and on rough ground several times before, but the webs’ creators, the Labyrinth spiders (Agelena labyrinthica), are usually tucked away in their tunnel-like sanctuary at the back of the web structure. So, I was very pleased to see not one, but three of these handsome beasties on the first day of my little trip to Gloucestershire.

I’m sure the reason I saw all of them is because they were so preoccupied with other activities that they either didn’t even notice me or considered me a presence that could be ignored. The first two I spotted, shown above and below, were locked together, and I wasn’t sure if this was a fight in progress or something else. Turns out these were male and female Labyrinth spiders in the act of mating. I’m advised by those much more expert than me that the male is at the back in the first photo and on top in the second.

And the third handsome Agelena labyrinthica specimen I found had just that moment rushed out of its tunnel to secure a sawfly, one of the vivid green Rhogogaster species, that had inadvertently strayed on to the spider’s web and was about to be dragged back to the lair for consumption. A sad end for the sawfly but a happy co-incidence for me and the hungry spider.

An exuberance of Marbled whites

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The first full day of last week’s mini break, based in Cheltenham, was forecast to be the hottest day of the year so far so, rather than catch a train to one of the nearby locations I was planning to visit, I decided to stay in the Cheltenham area. I still ended up red-faced and sweaty after a six-hour eight-mile walk up and down and around Leckhampton Hill and Charlton Kings Common but what a fabulous day it was! As well as 13 other species of butterfly, I saw more Marbled whites than I’ve ever seen in my life before. I stopped counting at 50; they were everywhere, especially on the Knapweed flowers, which seemed to be their favourite nectar source.

As I didn’t take many landscape photos during this walk, I’ve included in my little slide show a few images from the last time I walked this way, in early June 2023, just to show you something of this beautiful place. You can see how much browner everything is this year after all our hot weather and with little rain to water the plants. It was a magical day!

Leafhopper: Issus coleoptratus

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A couple of months ago I blogged about a couple of leafhopper nymphs I’d found on the local park railings (Leafhopper: Issus species, 5 May). At the time I was fairly certain these were Issus coleoptratus, and I explained why I’d reached that conclusion but, when I recorded my finds, the national recorder redetermined my records to Issus species.

I’m feeling just a little smug that my earlier conclusion has been vindicated by the fact that I’ve now found an adult Issus coleoptratus just along the railings from where I found the nymphs, and its identity has been verified by the national recorder. Of course, the little leafhopper wanted to run away when I got close to photograph it but then, when I put my hand against the railings to stop it scooting down the other side, rather than hopping away as they usually do, it crawled on to said hand and was very tickly as it wandered around on my skin. It was a delightful encounter with a very handsome little bug.

Wild madder

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With short sharp hooked spines along the edges of its stems and leaves, Wild madder (Rubia peregrina) is one vicious-looking plant. You wouldn’t want to fall into a patch of it or mistakenly grab a stem for support if you lost your footing on one of the rocky slopes it likes to scramble over. Fortunately, my local plant was confined behind a metal fence though, even there, it was almost smothering the other scrub and was reaching its nasty tendrils through the railings as if to grab its next potential victim.

This is a coastal plant, found mainly in the south and west of Britain so along England’s southern coastline, right around the Welsh coast, and around Ireland’s southern coastline. In Flora Britannica, Richard Mabey writes that Wild madder is related ‘to the dye plant, madder, R. tinctorum, and its roots have been used to give a pink tone by English dyers’.

A Stonechat surprise

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I’m just home from another mini break away, this time based in Cheltenham, but branching out from there to other places in Gloucestershire and Worcestershire, so expect a few blogs in the coming week about my finds. My trip was inspired by a desire to see one particular butterfly species but, of course, I appreciate all the wildlife I see around me, and this young Stonechat that I spotted sitting on a tree in Stroud on Thursday was a wonderful surprise and was definitely the birding highlight of this little adventure.

The Gatekeeper and the Painted lady

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During the three days from to 25 to 28 June I saw six new species of butterfly: Gatekeeper, White-letter hairstreak, Essex skipper, White admiral, Silver-washed fritillary and Painted lady. Seeing so many in such a short time was an amazing experience, and I thoroughly enjoyed the time I spent watching each and every one of them.

Disappointingly, the only ones I can show you reasonable images of are the Gatekeeper (above) and the Painted lady (below).

The other species were either flitting around high in the tree tops (White-letter hairstreak), paused for the briefest of moments on some flowers before disappearing in to the farm field behind (Essex skipper), weren’t stopping for a moment in their endless quest for a female (a Silver-washed fritillary exits stage left), or weren’t stopping at all ever (not even a blurry photo of the two White admirals I saw).

Mayfly: Ephemera danica

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There is sadness here on the blog today for the subjects of my photos are male mayflies that have almost certainly retreated from the river where they have just mated with as many females as possible, to die amongst vegetation or, in the case below, clinging to a fence panel.

I’m sure you’re all familiar with the mayfly’s life cycle: after spending between two weeks and two years as larvae beneath the water, on the day of hatching the males fly up to dance, often in huge swarms, above the water’s surface. The female mayflies fly up in to the swarm to mate, in flight, after which they fall to the water to lay their eggs, numbering in the hundreds, if not thousands, before, probably, becoming the meal of a waiting fish or canny bird. Sometimes the males seek shelter for a time before rejoining the swarm but it’s more likely that they simply find a place to perch and die.

From the distinctive markings on their abdomens and wings, I think these particular mayflies are the species Ephemera vulgata. It is the pair of earwig-like pincers near their tails that indicate these are both males.

***EDIT November 2025. As you can see from my previous paragraph, I initially identified these mayflies as Ephemera vulgata but I have just had notification that my records have been redetermined to species Ephemera danica.

Urophora stylata gall flies

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I was having a mooch around an area of rough ground on the edge of some local recreation grounds when I spotted a healthy and robust-looking Spear thistle, so wandered over for a closer look as thistles often provide a home for interesting insects. And I was in luck for there, on top of the first flower I peered at, was this handsome little gall fly, Urophora stylata.

This was my first sighting of this species but, fortunately for me, the Urophora gall flies have quite distinctive patterns on their wings and they each have a preference for a particular species of thistle. Unfortunately for some of you, this gall fly is mostly seen in southern Britain but, according to my internet research (see, for example, this guide from the Montana State Government), it is also present in parts of North America, where it was introduced as a biological control for the Spear thistle, which has been classified as an invasive species in some locations.

After mating, as per my voyeuristic photo above, the female fly lays her eggs, as shown below, after inserting her sturdy ovipositor into the flower heads of the Spear thistle (Cirsium vulgare). The actions of the subsequent larvae cause woody galls to grow within the flower head. The Naturespot website says that these galls are not obvious to the naked eye but ‘can be felt as hard lumps by squeezing dead flower heads’. How to explain that to a passing stranger who politely asks what you’re doing?

Ruby-tailed wasp

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This gorgeous creature, clad in glimmering metallic colours of blue and green and red, is one of the Ruby-tailed wasps, the Chrysididae, and that’s as close to a definitive identification as I can come. According to an article I found on the BWARS (Bees, Wasps and Ants Recording Society) website, there are currently 38 species of Chrysid wasps in the British Isles and Channel Islands. Seven of those 38 species are shown on the Naturespot website, and they all look remarkably similar to my eye so I’m not even going to try to put an exact name to the one shown here. And, to be honest, I’m just incredibly pleased that this tiny wasp didn’t immediately fly away as I approached but, instead, allowed me to get reasonably good photos to share with you.

Now, just to be clear, though they look stunning, the Ruby-tailed wasps are almost all parasitic in nature. Some parasitise the eggs and larvae of other invertebrates, including other wasp species and bees; others are kleptoparasites, stealing the food other solitary wasps leave in their nests for their own larvae. Beauty and the beast encased in one tiny but beautiful bundle.