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Tag Archives: Aberbargoed Grasslands

Grassland pearls

07 Saturday Jun 2025

Posted by sconzani in insects

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Aberbargoed Grasslands, Boloria selene, British butterflies, British fritillaries, butterfly, fritillaries, fritillary butterflies, Small Pearl-bordered Fritillary

Wednesday’s weather wasn’t the best for trying to find butterflies – a constant westerly wind was keeping the temperatures low even when the sun did manage to peak out from behind the constant parade of big clouds rolling through, but my friend Shar’s optimism proved well founded.

Though even her sharp eyes didn’t manage to spot any Marsh fritillaries (as they seem to have emerged early everywhere this year, we were probably too late for them at this site), we did find a few gorgeous Small pearl-bordered fritillaries (Boloria selene), the species I was really hoping to see that day. Initially, we thought we had two but on checking my photos at home later, I realised from the wing markings that we’d actually seen three.

As usual, we were conducting our butterfly hunt in the habitat most favoured by these fritillaries, the damp grasslands of the Aberbargoed Grasslands National Nature Reserve, where the butterflies particularly enjoy flowers like common violets and bluebells, Marsh thistles and Ragged robin. The reserve is also home to a large population of orchids, both Common and Heath spotted-orchids, as well as Cross-leaved heath, Tormentil, Devil’s-bit scabious and Knapweed, amongst other wildflower species, making a wander around its fields a pleasure even when you don’t see very many butterflies.

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Third time’s the charm

02 Tuesday Jul 2024

Posted by sconzani in insects

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Aberbargoed Grasslands, British butterflies, butterfly, fritillaries, Small Pearl-bordered Fritillary

It took three train trips up a Welsh valley and a lot of stomping around cow-pat filled fields to see my first Small pearl-bordered fritillary of the year. On the first two visits, the ‘conservation’ cattle had been in the two fields at Aberbargoed Grasslands National Nature Reserve where I usually find these locally scarce butterflies, which did rather restrict my explorations – the cattle were large, had calves with them, blocked several of the paths across the fields, and there was constant loud bellowing between the herds in the two fields, which wasn’t exactly reassuring as to the safety of the situation. (One of my Twitter followers suggested I just loudly shout ‘Boo’ at them and was certain they’d then move away but every year there are news stories of walkers being trampled by cows so, as an elderly woman walking alone, I was not prepared to risk it.)

240702 small pearl bordered fritillary (1)

Fortunately, during my third visit the cattle were in adjoining fields, which meant I could more easily wander all the pathways. Unfortunately, butterfly numbers were still very low compared to previous years so, although I saw perhaps six Small pearl-bordered fritillaries in total, I was only able to get close enough to photograph one of them. And, as you can see, the photos are not my best. Still, I was pleased to see at least a few of these magical butterflies flitting about the paddocks, and can only hope their numbers will bounce back next year.

240702 small pearl bordered fritillary (2)

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Western bee-fly

19 Monday Jun 2023

Posted by sconzani in insects

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Aberbargoed Grasslands, Bee-fly, Bombylius canescens, British bee-flies, Western bee-fly

I was bending down to return my camera to my backpack as I was leaving Aberbargoed Grasslands NNR last week when I noticed something small and fuzzy flying over the earth below. Not a bee, not a hoverfly, too small for the one bee-fly (Dark-bordered) I recognise but its actions were typical of that bee-fly – hovering very low to the ground, taking particular interest in a small hole in the dirt and, as I continued to watch, seeming to flick its rear end towards that hole, the usual action of a bee-fly flicking its eggs into the hole of an unfortunate mining bee. Once home, I checked online and found an excellent resource from the Soldierflies and Allies Recording Scheme (‘Identifying bee-flies in genus Bombylius‘, compiled by Martin C. Harvey, version 3, May 2019), which pointed me towards Western bee-fly (Bombylius canescens). My identification was later confirmed by a representative of the Scheme, and an entomologist pal, when I posted photos on Twitter. A first for me!

230619 Bombylius canescens

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Grasslands wildflowers

18 Sunday Jun 2023

Posted by sconzani in flowers, wildflowers

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Aberbargoed Grasslands, British wildflowers, Common milkwort, Devil's-bit scabious, Marsh lousewort, Ragged robin

Presumably as a result of our lingering hot dry weather, the wildflowers at Aberbargoed Grasslands NNR were neither as prolific nor as exuberant as I’ve seen in previous years. The Bluebells had already gone over, the Heath spotted-orchids were looking as frazzled as I was soon feeling but there were some floral highlights I enjoyed seeing.

230618 devil's-bit scabious

  • Devil’s-bit scabious (Succisa pratensis)

230618 marsh lousewort

  • Marsh lousewort (Pedicularis palustris)

230618 milkwort

  • Common Milkwort (Polygala vulgaris)

230618 ragged robin

  • Ragged-robin (Silene flos-cuculi) and butterfly friend (Small pearl-bordered fritillary)
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SPBFs

17 Saturday Jun 2023

Posted by sconzani in insects

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Aberbargoed Grasslands, British butterflies, butterfly, fritillaries, fritillary butterflies, Small Pearl-bordered Fritillary

On a very hot Thursday I made my annual pilgrimage to the Aberbargoed Grasslands National Nature Reserve to pay homage to these magnificent butterflies, the Small pearl-bordered fritillaries (SPBFs).

At first I thought I was going to be disappointed, as I headed to the field where I’d found them in 2022 and saw none. In fact, numbers of all butterflies were low – not as many Small heaths as in previous years, a couple of tatty Dingy skippers, a few Large skippers, a fly-past of a Red admiral, a single Speckled wood, and one very worn Marsh fritillary.

As I was retracing my steps to check the adjacent, much larger field, I bumped into two Rangers and we chatted butterflies. One said he’d only seen low numbers this year, and assumed our very wet Spring followed by the current very hot dry period was the cause of the decline in numbers. But they had just seen one SPBF in the big field so I was a little more hopeful.

And, as you can see, I was lucky! I’m not sure why numbers rise and fall in different areas of the reserve from one year to the next (particularly as the large field suffered a serious fire in 2022) but, turns out, this year the SPBFs were mostly concentrated in the centre of that large field, where I was fortunate to see at least six, possibly more, of these gliding orange beauties!

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Small heath

20 Monday Jun 2022

Posted by sconzani in insects

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Aberbargoed Grasslands, British butterflies, butterfly, Coenonympha pamphilus, Small heath

As well as the Heath spotted-orchids pictured in yesterday’s blog and the Small pearl-bordered fritillaries featured last Thursday, another of the stars of the Aberbargoed Grasslands NNR is the Small heath (Coenonympha pamphilus). Fortunately, this lovely little butterfly has adapted to life in a wide variety of habitats, not just damp grasslands, so, although it is still classed as vulnerable in the most recent conservation status report released last month by Butterfly Conservation, it is in a much better position to cope with environmental changes that those butterflies that require more specialised habitats.

220620 small heath

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Orchids on the heath

19 Sunday Jun 2022

Posted by sconzani in flowers, wildflowers

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Aberbargoed Grasslands, British orchids, Dactylorhiza maculata, Heath spotted-orchid, orchids

Variations on a theme…. Stunning Heath spotted-orchids (Dactylorhiza maculata) from a recent visit to Aberbargoed Grasslands NNR.

220619 heath spotted-orchid (1)220619 heath spotted-orchid (2)220619 heath spotted-orchid (3)220619 heath spotted-orchid (4)

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Pearls in the grass

16 Thursday Jun 2022

Posted by sconzani in insects

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Aberbargoed Grasslands, Boloria selene, British butterflies, butterfly, fritillary, Small Pearl-bordered Fritillary

I can’t think of a nicer way to spend a day than to enjoy a lovely catch up with my friend Shar while wandering around a grasslands reserve looking for butterflies. Having a second pair of sharp eyes was also a bonus as the weather was quite dull, the butterflies few and mostly inactive. Still, we managed some good close sightings of Small pearl-bordered fritillaries (Boloria selene), a butterfly that thrives in the damp grassland habitat of Aberbargoed Grasslands NNR and, though one of the reserve’s largest fields was burnt recently, there are promising signs that both the violets required for this butterfly’s larvae and the thistles, bramble and bugle that provide food for the adults have survived the fire. Let’s hope both the plants and the butterflies bounce back from what could so easily have been a truly tragic event.

220616 small pearl-bordered fritillary

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M is for Marsh fritillary

18 Saturday Dec 2021

Posted by sconzani in insects

≈ 2 Comments

Tags

Aberbargoed Grasslands, British butterflies, butterfly, fritillaries, Marsh fritillary

I was so very pleased when the Covid regulations were relaxed enough during the summer to allow me to visit Aberbargoed National Nature Reserve to see my beloved Marsh fritillaries, particularly as I hadn’t managed to see any in 2020. These are just such magical butterflies that I actually braved the train journey four times. Though I was too early on my first visit and only a few faded, jaded individuals remained when I visited for the final time in late June, I remember my mask hiding a beaming smile all the way home on those other train journeys.

211218 marsh fritillary

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Heath spotted-orchids

04 Sunday Jul 2021

Posted by sconzani in flowers, wildflowers

≈ 2 Comments

Tags

Aberbargoed Grasslands, British orchids, British wildflowers, Dactylorhiza maculata, Heath spotted-orchid, native orchids

From the often-boggy, mostly acid grasslands at Aberbargoed direct to your screens, this week’s native British orchid is the appropriately named Heath spotted-orchid (remember, the spotted part of that name refers to the marks on its leaves, not its petals). Its scientific name is Dactylorhiza maculata, which the Plantlife website explains as follows: ‘The genus name Dactylorhiza is formed from the Greek words daktylos meaning finger and rhiza meaning root’ – so, this orchid has a multi-fingered root, rather than a single tuber. And maculata means spotted – those leaves.

210704 Heath spotted-orchid (1)

As you can see from the flower spikes below, this is another orchid with some variation in both its colours, which range from white through pink to pale purple, and its markings, which, though they look spotted from a distance, actually have various combinations of streaks and little loops. The shape of the petals is also distinctive, the lower one in particular is less deeply lobed than, for example, the Common spotted-orchid, which the Heath spotted does superficially resemble.

210704 Heath spotted-orchid (2)
210704 Heath spotted-orchid (3)
210704 Heath spotted-orchid (4)

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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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