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Category Archives: hoverflies

September Hillside

24 Sunday Sep 2017

Posted by theresagreen in British hoverflies, Bryn Euryn Nature Reserve, Butterflies of Wales, calcareous grassland, hoverflies, Nature of Wales, North Wales, slugs & snails, Wildflowers of Wales

≈ 7 Comments

Tags

Arion flagellus, common carder bee, common knapweed, eyebright, green-soled slug, hemp agrimony, robin's pincushion, scabious, speckled wood, volucella zonaria, yarrow

September 8th-Bryn Euryn

As I’ve already said, it was mighty windy out here on the not-quite-summit of the hill; not the day for hanging around gazing at the views, no matter how stunning they may be.

Windswept not-quite-summit of Bryn Euryn

A quick look around showed there to be little left in the way wildflowers in bloom, but there was colour on a wild rose – a whole colony of bright red Robin’s Pincushion galls. I don’t recall ever having seen as many on a single plant. The fuzzy growths will gradually fade to brown and the little wasps that cause the growths will emerge in June. If I’m lucky, one of these days I’ll catch them coming out, although the galls also attract ‘squatters’ and there can be a dozen or more species lodging in there!

I was to keen to keep moving, but when I spotted this lovely patch of Eyebright I couldn’t resist stopping again.

The dip between this part of the hill and the slope up to the summit is usually sheltered and offers a brief respite from the wind and the noise of traffic from the A55 below, but not so today. Yarrow likes this spot and there was quite a good large patch of it still in flower here. As with Eyebright, Yarrow is a plant designed to withstand tough growing conditions and is pretty persistent, as anyone that has tried to eliminate it from a lawn will testify; you cut it down and it grows right back! Personally I prefer the ferny-leaved Yarrow to the boring grass! Funny how we discriminate against certain plants, this wildflower Yarrow’s taller-growing golden-yellow flowered relative, Achillea, is a cherished garden plant!

Some insects rather like its flowers too, I found a tiny bee motionless on a flower today and recalled I’d seen a similar looking insect on Yarrow in the Rhiwleddyn reserve a few weeks ago.

Tiny bee on Yarrow – enlarged

On the summit a patch of purple Knapweed was fuelling a few Common Carder bees that were managing to cling on and fly short distances despite the best efforts of the wind to dislodge them. The little bees had varying appearances; some were practically perfect, others a bit more battered, their ‘fur’ worn away and at least one that had a bleached appearance like it had spent too long out in the sun.

Common carder bee-practically perfect
Common carder bee-practically perfect
Common carder bee-a little faded
Common carder bee-a little faded
Common carder bee-fur worn from back
Common carder bee-fur worn from back
Common carder bee-bleached
Common carder bee-bleached

There was another lovely clump of Eyebright up here, this one framed by the distinctively-arranged pods that give the Bird’s-foot trefoil its name.

More Yarrow too, this plant sheltering a tiny fly.

I was hoping that the other side of the hill would be a bit more protected from the wind, but alas, most of it wasn’t. The sun was putting in sporadic appearances though, so at least it felt a bit warmer. Ironically, the sea looked to be calm, was coloured in shades of beautiful blue and its surface merely ruffled. The blades of the wind turbines were motionless.

Looking over in the opposite direction to te sea, the view to the oddly-shaped hill at Deganwy, was fairly clear, although beyond it, Anglesey and the Menai Strait were shrouded in a light haze. I’m not sure if I’ve mentioned it before, but the hill is named the Vardre and gets its unusual appearance from having two rocky summits. It has a little less height than Bryn Euryn, it being 108m, (354 feet) while the Bryn is 131m (365 feet). It was once home to fortifications that included Deganwy Castle.

On the woodland edge leaves are beginning to change colour. Hawthorn is one of the first to go

along with Silver birch as I mentioned in the previous post. Out here in the open it was easier to appreciate the combination of yellow leaves against a clear blue sky.

Next to the Silver birch is a single Whitebeam, which bears berries. The berries are orange in colour now but will gradually turn red.

In the short grass there are still a few Rock-roses in flower and here and there are big fat ‘penny-bun’, or Bolete mushrooms. At least they would have been big and fat before they were nibbled away. I like the different shades and textures such nibbling has left on this one; there was a little black spider on it too.

I have often wondered what nibbled the mushrooms. A picture I took a few weeks ago, at the end of July may have the answer. The sight amused me and I wondered if it was a romantic al-fresco lunch for two? Of course there is more to slugs than meets the eye. No gardener is ever going to welcome them onto their plot, but out in the wild they are another important cog in the wheel of the natural waste-disposal system. Although one slug may look rather like another, there are rather a lot of different species of them in our British Isles. I submitted this image to the very helpful folk that run the Slugs and Snails of the British Isles Facebook Group, who responded that to be accurate they need to see the undersides of the slugs too, but from other features that it is likely they are juvenile Arion flagellus – the Green-soled slug.

poss. Arion flagellus- the Green-soled slug

The bottom of the grassy ‘downland’ hill was still flowery with Hemp Agrimony, Knapweed, touches of Scabious and a sprinkling of Ragwort.

I walked down to where it meets with the woodland edge and lo and behold, for a few glorious minutes the sun came out. Suddenly it was warm and bright and the scene came alive with a whole host of insects vying with one another for the best blossoms.

Speckled wood on Hemp agrimony

I hardly knew where to look first, but then couldn’t resist the sight of a pristine Speckled wood feasting on Hemp agrimony. There were several of them, all looking freshly beautiful; most were nectaring on various flowers while some rested on the leaves of nearby trees basking in the sunshine. The only other butterflies in evidence were Red Admirals which unusually stayed out of range of the camera.

Speckled wood on ragwort

There was a good variety of hoverflies,large and small, a Common wasp and more Common carder bees too.

Hoverfly - Eristalis sp
Hoverfly – Eristalis sp
Hoverfly - Eristalis sp
Hoverfly – Eristalis sp
Hoverfly-Helophilus sp
Hoverfly-Helophilus sp
Common wasp
Common wasp

Common Carder bee on Scabious

Volucella zonaria

A beautiful cast of insects, but the star of today’s show was a big handsome hoverfly, which surprisingly doesn’t have a common name, but whose scientific name, Volucella zonaria makes it sound a bit like an Italian pasta dish. This is the largest British hoverfly and is quite a recent addition to our native list, appearing on the south coast of England during the late 1930s. According to my Hoverfly bible, from there it has spread upwards and outwards across the country as far as Cheshire and Humberside and South Wales in the West. We’re not so far from the Cheshire border here, so they must still be spreading, this is the second one I’ve seen this year, the other was in my daughter’s garden a few weeks ago.

170908-1510-BEICT-Hoverfly-Volucella zonaria 3
170908-1510-BEICT-Hoverfly-Volucella zonaria 5

The spell of sunshine didn’t last long and the wind was still blowing relentlessly; time to set off in the direction of home.

Wind-blown ash tree

 

 

 

 

 

 

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Summer along a Welsh Woodland Trail

30 Thursday Jul 2015

Posted by theresagreen in British hoverflies, Bryn Euryn Nature Reserve, bumblebees, butterflies, Butterflies of Wales, hoverflies, Insects, Nature, Nature of Wales, nature photography, wildflowers, Wildflowers of Wales

≈ 6 Comments

Tags

ash tree, episyrphus balteatus, eristalis pertinax, flesh-eating fly, hedge woundwort, helophilus pendulus, hypericum montanum, large pied hoverfly, marmalade fly, Pale St John's Wort, sarcophoga carnaria, Stinking Iris-Iris foetidissima, syrphus ribesii, tapered drone fly, volucella zonaria, wild strawberry fruit, woodland flowers

Variable summer weather is perhaps more the norm here in North Wales than in some other parts of the UK, although we still feel hard done to when yet another day dawns doomed to be overcast. There are many compensations though, one of which is that when the odd sunny, or partially sunny day occurs, the insects come out in force in search of sustenance. I photographed all of the following along Bryn Euryn’s Woodland Trail during a fleeting sunny spell a couple of weeks ago.

The woodland trail

The shady woodland trail

On the edge of the trail a substantial bramble was still flowering and literally buzzing with insects, mostly hoverflies and bees. There were two butterflies, a Red Admiral and a Comma that were flying around rather frantically, both of which briefly (and separately) landed on my arm. Poor things were clearly overcome by the presence of both sun and nectar. I would have liked a more conventional shot of the Comma, this being the first I’d seen here this year, but it was taunting me from high over my head so this was my best view. I rather like it and it’s clear from the outline that it is a Comma.

The Comma insisted on playing hide and seek

The Comma insisted on playing hide and seek

The hoverflies were very active, not pausing for long but these are the ones I could get to fairly easily:

Volucella pellucens-Pellucid fly is the largest fly in Great Britain

Volucella pellucens- sometimes called the Pellucid fly, this is the largest fly of Great Britain

150712TG-Bryn Euryn-hvfly-Volucella pellucens (7)

A gorgeous Volucella zonaria

A gorgeous Volucella zonaria – my first sighting here

A Tapered drone fly-eristalis pertinax grooming its legs

A Tapered drone fly – Eristalis pertinax

Eristalis nemorum (interruptus)

Eristalis nemorum (interruptus)

A more distant view of a Helophilus pendulus

A more distant view of a Helophilus pendulus

A Syrphus sp hoverfly-Syrphus ribesii - one of the most common species

A Syrphus sp hoverfly-Syrphus ribesii – one of the most commonly seen species

A tiny Marmalade fly-Episyrphus balteatus, probably our most common hoverfly

A tiny Marmalade fly-Episyrphus balteatus, probably our most common hoverfly

There were bees too, including lots of tiny red-tailed and buff-tailed worker bumblebees that were way too quick for me to focus on.

Honey bee

Honey bee

A less charming insect to many, I find the Flesh-eating fly-Sarcophaga carnaria rather attractive to look at. I think the white feet complete the look, makes it look rather dapper.

Flesh-eating fly-Sarcophoga carnaria

Flesh-eating fly-Sarcophoga carnaria

The trees are still green and fresh-looking thanks to the rain and cooler weather, although those in the top right of the next picture are looking quite lacy.

150712TG-Bryn Euryn-looking up into an ash tree

Looking up into an Ash tree

Continuing along the trail I hear a few birds letting the world know they are still about, Chiffchaff song bursts were fairly frequent, I heard Wrens and the contact calls of Blue Tits and plenty of corvid cawings. I found this feather too, maybe once belonging to a Magpie, it gleamed shades of almost peacock-blue in the dappled sunlight.

A corvid feather

A corvid feather

Honeysuckle is in flower now on the trail’s  edge and I couldn’t resist stopping to inhale its clean, fresh fragrance.

Lovely scented honeysuckle

Lovely scented honeysuckle

There is purple Hedge woundwort too, which has an earthy pungent, nettle-like scent.

Pungently scented Hedge Woundwort

Pungently scented Hedge Woundwort

Foxgloves are almost over-flowering reduced to the tips of the long bent-over  stems

Foxgloves are almost over-flowering reduced to the tips of the long bent-over stems

Wood sage-Teucrium scorodonia

Wood sage-Teucrium scorodonia

And a St John’s Wort I’d not spotted before, which I think is hypericum montanum, but happy to be corrected as always.

Pale St John's Wort-Hypericum montanum

Pale St John’s Wort-Hypericum montanum

A rather unusual plant grows here in the shady woodland, delightfully named the Stinking Iris and sometimes the ‘Roast-beef Plant’, both names allude to the sweetly acrid smell, like ‘high’ meat. This is one of just two Iris species native to the UK; the other is the Yellow Flag Iris.

The charmingly-named Stinking Iris-Iris foetidissima

The delightfully-named Stinking Iris-Iris foetidissima

Closer look at an Iris flower

Closer look at an Iris flower which is a greyish-mauve tinged with a brownish-pink

The much more common Nipplewort

The much more common Nipplewort-Lapsana communis

A Nipplewort leaf showing the path of a leaf-miner

A Nipplewort leaf showing the path of a leaf-miner

I picked a couple of ripe wild wild strawberries, trying not to think about the fly sitting on a leaf above them and their proximity to the path along which there is a regular procession of loose dogs….. They were delicious, regardless.

Sweet-tasting Wild Strawberries

Sweet-tasting Wild Strawberries

Turned off and took the steps up to Adder’s Field

Steps leading up to the meadow

Steps leading up to the meadow

more treats were in store there but there’s far too much to cram into one post, so will be continued….

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A welcome visit from a ho(o)verfly

17 Friday Jul 2015

Posted by theresagreen in British hoverflies, hoverflies, Nature of Wales

≈ 2 Comments

Tags

pied hoverfly, scaeva pyrestri, small hoverfly with black and white markings

On a warm sunny morning earlier this week I opened my living room windows, as I do most days, and was delighted when a little hoverfly popped in for a visit. It was a black and white one, commonly called the Pied Hoverfly, a species I hadn’t yet seen this year.

12/7/15-Pied Hoverfly-Scaeva pyrastri

12/7/15-Pied Hoverfly-Scaeva pyrastri

It settled on a houseplant in front of the open window, but then I was inspired to go and fetch another plant, a small banana plant that I had previously noticed was under serious attack by greenfly. The hoverfly took to it immediately and quickly began to feast on the sticky honeydew secreted by the aphids.

12/7/15- Pied Hoverfly- Scaeva pyrastri

12/7/15- Hoovering up the honeydew

Watching the little insect at work hoovering up the clearly delicious sticky stuff was fascinating, and I thoroughly enjoyed the opportunity to get some close-up views of it whilst sitting comfortably on a chair. I was feeling a bit guilty about the extent of the marauding aphids on the poor plant though, which was also brought into shaming close-up. I just don’t like killing things, even greenfly.

The distinct creamy-white markings are shaped like commas

The distinct creamy-white markings are shaped like commas

Front view

Front view

150712-hvfly-Scaeva pyrastri (12)a

Huge eyes and a rough, scaly tongue

But the hoverfly was really only quite tiny…

On a more realistic scale

On a more realistic scale

The Pied Hoverfly-Scaeva pyrastri is a migratory species, which as with the Red Admiral and Clouded Yellow butterflies, arrives in Britain in highly variable numbers. In some years it is almost absent, bt when it does occur it may breed locally. (Britain’s Hoverflies-Stuart Ball & Roger Morris)

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Spring on the Bryn

07 Thursday May 2015

Posted by theresagreen in Bryn Euryn Nature Reserve, hoverflies, Insects, Nature, Nature of Wales, nature of woodlands, tree folklore

≈ 4 Comments

Tags

ash tree, Bee-fly, chequered hoverfly, common field speedwell, cowslip, dog mercury, eupeodes latifasciatus, garlic mustard, hart's tongue fern, ivy-leaved speedwell, oak tree, wood anemone, wood sorrel

Recent outings have been ambles rather than rambles as I’m getting back to fit after being laid low for a few weeks by some kind of virus, which also accounts for the recent absence from blogging. I’ve found it most frustrating, especially at this time of year too when there’s so much going on. But I’m keen to catch up and already have a lot to share, so here’s a mostly-pictorial view of Bryn Euryn as I saw it on two beautiful sunny-day ambles in the last week of April.

There are a lot of Ash trees on the Bryn, thankfully all of which appear to be healthy at the present time and they seem to have had an exceptional amount of flowers this year. The flowers start off a dark pinkish-purple but now most of them are over now and the clusters are mostly green.

Ash tree flowers are almost over

Ash tree flowers are almost over

Some trees have produced so many flowers that now the clusters are green, from a distance it gives the illusion that they are in leaf.

Spent flower clusters give ash trees the illusion of being in leaf

Spent flower clusters give ash trees the illusion of being in leaf

Looking more closely at the tree in the photo above, there are a few  leaves already appearing.

New ash leaves opening

New ash leaves opening

Naturally, once I had seen the ash leaves I had then to check out the oaks to guage if we are in for a ‘splash or  a soak’ this summer. On the day I took the photo of the ash the oaks were all in tight bud.

21/4/15- Oak leaves in tight bud

21/4/15- Oak leaves in tight bud

But three sunny days later I was amazed to see that leaves had begun to open and not only that, insects had already moved in.

24/4/15-New oak leaves with insects

24/4/15-New oak leaves with insects

For anyone that has no idea what that last bit was about, a traditional English way of predicting whether the summer will be wet or dry was based on whether the oak or the ash trees opened their leaves first.

“When the oak is before the ash, then you will only get a splash; when the ash is before the oak, then you may expect a soak “

So things appear to be fairly even in the rainfall prediction stakes so far.

Robin singing from high in an ash tree

Robin singing from high in an ash tree

It was a perfect spring day, the sun was shining the sky was blue and a host of birds were singing. Along the quarry field edge the vegetation is growing up quickly although there’s not much flowering yet. Celandines are beginning to fade and some dandelions have already set seed.

Vegetation on woodland edge-celandines, nettles & arum

Vegetation on woodland edge-Lesser Celandines, nettles & arum

Cuckoo Pint or Lords and Ladies-Arum maculatum

Cuckoo Pint or Lords and Ladies-Arum maculatum

There was a single male Orange Tip butterfly racing along at their normal break-neck speed and one female Small White that obligingly settled on a bramble.

Small White (f) on bramble leaf

Small White (f) on bramble leaf

150421TGNW-BE1-Chequered Hoverfly(m) -Melanstoma scalare

Tiny male Chequered Hoverfly-Melanstoma scalare (enlarged)

I was quite surprised to see a good number of hoverflies about, all looking shiny and fresh, so I assume they were newly-emerged.

Hoverfly-Eupeodes latifasciatus

I think this is Eupeodes latifasciatus

As I was checking out a splash of colour that turned out to be from this escaped garden plant, I was happy to see this little bee-fly arrive to take its nectar. One of my favourite insects, they look cute and furry but are classified under the general heading of ‘robber-flies’ and their larvae live as parasitoids in the nests of mining bees.

An escaped garden plant attracting a bee-fly

An escaped garden plant attracting a bee-fly

There are two species of pretty blue speedwell flowering here, one is the familiar Common Field Speedwell

Common Field Speedwell- Veronica persica

Common Field Speedwell- Veronica persica

and the other is the even tinier-flowered Ivy-leaved Speedwell.

Ivy-leaved speedwell-Veronica hederifolia

Ivy-leaved speedwell-Veronica hederifolia

You could easily overlook this rather sprawling untidy plant, and you’d probably pull it out of your garden as a ‘weed’, but as with all speedwells, on closer inspection its tiny flowers are really pretty.

Close-up of flower of ivy-leaved speedwell

Close-up of flower and leaves of Ivy-leaved Speedwell

In the woods the tree canopy is still open but there are small new leaves on some trees.

24/4/15-Tree canopy still open

24/4/15-Tree canopy still open – new beech leaves in foreground

Wood anemones are still flowering

Wood anemone-Anemone nemorosa

Wood anemone-Anemone nemorosa

and there was one patch of Wood Sorrel.

Wood Sorrel-Oxalis acetosella

Wood Sorrel-Oxalis acetosella

Harts Tongue fern fronds unfurling

Harts Tongue fern fronds unfurling

Garlic Mustard is beginning to flower- if you never have, try crushing a leaf they really do smell of garlic…

Garlic Mustard - Alliaria petiolata

Garlic Mustard – Alliaria petiolata

and another plant that doesn’t smell too pleasant, Dog Mercury, is also displaying its spikes of rather insignificant small pale green, petalless flowers.

Dog Mercury - Mercurialis perennis

Dog Mercury – Mercurialis perennis

There are still ivy berries on some plants, although those left are probably still there because they are difficult for their chief consumers, blackbirds and bulky old wood pigeons to reach.

Ivy berries

Ivy berries

In the open wildflower meadow cowslips are blooming. I love their graceful fragrant flowers and the sight of them always takes me back to childhood when it was still OK to pick bunches of them and we used them as part of the floral decorations for the school May Day celebrations.

Cowslip-Primula veris

Cowslip-Primula veris

Hawthorn is now green with fresh leaves.

Fresh hawthorn leaves

Fresh hawthorn leaves

Part 2 to follow ….

 

 

 

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Life in the long grass

10 Sunday Aug 2014

Posted by theresagreen in Bryn Euryn Nature Reserve, bumblebees, Butterflies of Wales, day-flying moths, hoverflies, Nature, Nature of Wales, nature photography, spiders, wildflowers, Wildflowers of Wales

≈ 2 Comments

Tags

Aricia agestis, Brown Argus, butterflies in long grass, common blue, common knapweed, insects in long grass, keeled garlic, moths in the grass, Nursery Web spider, pisaura mirabilis, Polyammatus icarus, small hoverfly with snout, spider that makes web tents in grass

First week

The weather up here in our part of North Wales has been variable this week. We have had a good bit of rain which has freshened everywhere up and just  about enough warm sunshine to allow us to keep the faith that this is indeed high summer. It may not be the perfect weather for people here on holiday, but the local wildflowers and insects seem to be appreciating it.

Habitat: Long meadow grass

There is a whole other world existing in areas where grass is allowed to grow long and during the past couple of weeks I’ve begun to appreciate its importance as a home and a refuge for wildlife, particularly insects and spiders.

All journeys need a starting point and the following journey of discovery into the dimension of long grass began when I went to Bryn Euryn to see if a particular plant was in flower.

I’ve mentioned before that we have a few less-usual species of wildflowers growing in our locality and on Bryn Euryn this is the time to find one of them; the pink/purple flowered Keeled Garlic. I headed for the spot I had seen it in previous years and there it was, buzzing with bumblebees and more surprisingly attracting several beautiful little Common Blue butterflies.

Keeled Garlic

Keeled Garlic

I wondered at the attraction of this particular flower to the butterflies and thought perhaps they were just resting on the tiny flowers to sunbathe. A little later though I came upon another patch of the flowers with more Common Blues fluttering over and settling upon it, so maybe they were taking nectar from them. I was more than happy to see this many of the butterflies in the same place at the same time; I haven’t seen that for a long time.

Male Common Blue butterfly on Keeled Garlic flower

Male Common Blue butterfly on Keeled Garlic flower

Female Common Blue butterfly, looking a bit more worn

Female Common Blue butterfly, looking a bit more worn

I was not the only one to recognise the attraction of insects to the garlic flowers. Lurking on top of her tent-like web, built to protect her eggs and then babies, sat a long-legged Nursery Web spider.

Nursery-web spider-

Nursery Web spider-

Nursery Web spiders are the spinners of the many web ‘tents’ seen in grassy places at this time of year. They take their common name from the way in which they care for their offspring. The female carries her large egg sac beneath her body, held in her jaws. Before the eggs hatch she spins the silken tent around the egg sac and stands guard over them. She remains on duty until the spiderlings are big enough to live independently. The spiders are active hunters and search for prey amongst grasses and low vegetation.

A neighbouring Nursery-web Spider

A neighbour

Walking carefully through the long grass, every step seems to disturb a dry-grass coloured moth. They are so well camouflaged that should you manage to keep track of where they land, it’s not easy to find them again; then if you manage a picture of sorts identifying them afterwards is even harder. The one below, which landed on the pupa of a 6-Spot Burnet moth which I would otherwise not have spotted, maybe Crambus pascuella (?) As always, I’m more than happy to be corrected.

This one landed on the pupa of a 6-spot Burnet Moth

This one landed on the pupa of a 6-spot Burnet Moth

In places amongst the grass knapweed is beginning to open up it tight dark knots of buds to allow the purple brush-head of petals to escape. Knapweed is a hugely important source of nectar for a wide variety of insects, but more about the plant and its visitors later.

Knapweed

Knapweed in long grass

Long grass on dry slope of ‘downland’

The area of long grass at the bottom of the summit slope on the drier, chalkier downland side of the Bryn has a different character to the flatter, damper meadow area. Some species of butterfly you may see here, although found in other parts of the Reserve, show a definite preference for the conditions it offers and may be more numerous. It is especially good for seeing the smaller species that gain protection from predators amongst the grass stems and include Small Heath, Small Skipper, Common Blue and the less-common Brown Argus.

The larval host plant of the Brown Argus is Rock Rose, which has been prolific in its flowering here this year and the leaves of the plants are still evident in the ‘under-story’ of this grassy forest. I was once again lucky with the timing of my visit this week; after a few minutes of pursuing little butterflies through the tangle of dry grass laced across with long outreaching bramble runners, I spotted a newly emerged Brown Argus balanced on top of a dry stem.

Brown Argus-

5/8/14 – Brown Argus- Aricia agestis

It stayed perfectly still, wings outstretched for quite a long time and made no attempt to fly off although I was very close and holding the camera lens just a few inches from it. I was almost certain this was in fact a Brown Argus and not a female Common Blue, but was compelled to wait and hope it would close its wings for me to see its underside. It eventually obliged and although the angle it presented wasn’t the best, thankfully it did confirm its identity with its diagnostic pattern of spots.

Brown Argus underside with 'figure of 8' spots on forewing

My Brown Argus underside with ‘figure of 8’ spots on hind wing

Common Blue male underside

4/8/14-Common Blue male underside

Spot the difference:

Text & diagram from the UK Butterflies web site demonstrates the differences:

Of the two sexes, it is the female Common Blue that causes most confusion with the Brown Argus. The blue present in a female Common Blue is highly variable, with individuals ranging from almost completely blue through to completely brown. It is this latter colouring that causes the most confusion. Even so, the Brown Argus has no blue scales, but may give off a blue sheen from the wings and the hairs found on the thorax and abdomen. Another diagnostic is that the Brown Argus normally has a prominent dark spot in the centre of the forewings.

Brown Argus - Common Blue undersides

Brown Argus on left & Common Blue on right of image

 

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A hill not too far – part 1

15 Saturday Sep 2012

Posted by theresagreen in Bryn Pydew, fungi, hoverflies, Nature, nature of woodlands, nature photography, woodlands

≈ 6 Comments

Tags

buff-tailed bumblebee, common darter, common green grasshopper, eristalis, hoverflies, inula conyza, leucozona lucorum, ploughman's spikenard, tar spot fungus, traveller's joy

The first day of September was gloriously sunny and warm in the way that only our late summer days can be. In preparation for just such a day I had done a bit of research into other nature reserves that may be nearby and was surprised to discover there is indeed such a one, almost on our doorstep on another landmark hill just beyond Bryn Euryn, called Bryn Pydew. The land is leased and managed by the  North Wales Wildlife Trust (NWWT), and just had to be explored not only because of its proximity, but also because it has within in it an area of Limestone Pavement that I have been keen to add to my round of  habitats to visit.

To quote the Bryn Pydw entry on the First Nature website:

Bryn Pydew SSSI; RIGS site : “This reserve lies on carboniferous limestone and has woodland, grassland, limestone pavement and two disused quarries providing a wide variety of habitats.”

I could hardly believe it was so close by and I had never heard of it, but when I set off to find it, following the directions on the website, I did have some problems finding the ‘entrance’ to the reserve. (I must get myself an ordnance survey map and re-learn to use grid references !)  I knew I was on the Bryn, it’s huge, so hard to miss, and drove up, down around and along a few lanes in the indicated direction, then through the village of Bryn Pydew and back again, finally stopping to ask for directions from a lady carrying a basket heading for the village hall. She didn’t really know either, but suggested it might be the “flat bit further on where they have been digging”. It was clear that there was little room for parking on the lane, so I asked if I should park outside the hall and walk, she said “Oh no, please don’t, we have a fun Dog Show here this afternoon, so we need all the parking space we have for that.” Not wishing to upset anyone or their dog, I drove a bit further and duly came to said ‘flat bit’ at the side of the lane, pulled onto it and got out of the car.

Woodland edge

It seemed likely that the reserve was in the general area as I was now looking at woodland to one side on the lower slope of the hill, then across the lane, a grassy slope with some scrubby vegetation leading to the summit of the Bryn.  Next to where I had parked there was a mound of earth and stones, becoming vegetated with grass, with the addition of  clumps of vervain, verbascum and other wild plants, which made me think this may have been a bit of a dumping ground for the village gardeners. Behind this ‘tump’  there was a ‘path’ cobbled with small pieces of limestone between it and the woodland edge, bordered on either side with wildflowers, predominantly ragwort, but also marsh hemp, cat’s ear, traveller’s joy (wild clematis), hogweed etc.

A beautiful fresh ‘Sun Fly’, also known as ‘The Footballer’ – Helophilus pendulus

The sheltered spot was buzzing with hoverflies, bees and bumblebees and even a few butterflies. Most of the hoverflies were of the larger eristalis species, some of which I have already featured photographs of in recent posts, but there were others too.

Eristalis interruptus on ragwort

Eristalis on Hemp Agrimony

The most familiar of hoverflies, the exquisite little Marmalade Fly – Episyrphus balteatus

I was also an attractive hoverfly, Leucozona lucorum, which is a new one for my collection of photographs.

Leucozona lucorum. There is a similar-looking insect – Volucella pellucens which is much shinier and does not have the orange-yellow scutellum (the triangular patch at the base of the thorax)

Buff-tailed Bumblebee- Bombus terrestris on Traveller’s Joy-Clematis vitalba

Welsh Poppy with small flies

I was really pleased to find Ploughman’s Spikenard growing here. It is a plant quite  unprepossessing in its appearance, looking a bit like a giant groundsel or ragwort that is going to seed, so may be easily overlooked, but it is another of my favourite type of plant, one with a history of traditional use as a medicinal herb and that has some great alternative common names; Cinnamon-root, Great Fleabane, Horseheal and Lady’s-gloves.

Ploughman’s Spikenard – Inula Conyza (the seeds on the leaves are from nearby thistles)

Honeybee on Ploughman’s Spikenard

It was really peaceful here, so I sat down on the ground for a while to enjoy the sunshine and properly take notice of what was around me. I love to do that sometimes, to just sit still and lose myself in the moment, and feel connected to the real world. Stillness often brings other rewards too, things I may have missed if I’d been standing and wandering around. A dragonfly came to settle close by on the warm stones, as did a grasshopper and there were birds about too, a Robin came out of the woods to hop around close by and so did a Dunnock.

Common Darter Dragonfly- Sympetrum striolatum (immature male)

Common Green Grasshopper-Omocestus viridulus

A fresh-plumaged Dunnock spied through tall grass

Into the woods

Still not sure of where I was I decided to walk towards the woods to see if there may be a track I could walk on. Lo and behold as I walked towards the trees, set just inside the edge of the woodland was the information board for the reserve. It looks quite faded so has clearly been there for some years, so maybe it was originally more visible from the lane?

Information board about the Bryn Pydew Reserve- click to enlarge

There is a track, way-marked with red marks on some of the tree trunks.

Woodland trail, Bryn Pydew

The trees, mostly silver birch, as, some oak, sycamore and unusually a good many yew grow closely together, so it was quite dark and shady in there with occasional shafts of sunlight breaking through the leaf canopy.   Most of the sycamore leaves I could see were sprinkled wit large black spots, the result of  an infection of Tar Spot fungus.

Tar spot is a fungal disease characterised by raised, black spots on leaves, caused by the fungus Rhytisma acerinum. The tar-like spot is a fruiting structure of the fungus that survives the winter on fallen leaves. In the spring mature spores of the fungus, which have a sticky coating, are released and blown by wind to newly emerging leaves.

The undersides of the leaves appear cupped directly beneath the tar spots. This is a much-enlarged image of a tiny snail and another minute insect.

In a clearing in the woodland where there was a little more light I photographed Hart’s Tongue fern growing amongst ivy on an old stone wall and Lady Fern.

Hart’s Tongue Fern and ivy on an old stone wall

Lady Fern

On the other side of the wall where shrubby plants have colonised the clearing I watched five Speckled Wood butterflies chase one another around in the sun-dapples space. These are very territorial little butterflies that will tackle anything that tries to invade its territory; today each time one settled on a leaf to bask it was dive-bombed by another, so it took a while to get an image. It was good watching them though, this is the most I have seen together in one place for a long while and judging by their fresh appearance, I would say they were newly-emerged.

A pristine Speckled Wood-Pararge aegeria

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‘But it is the common species that keep the living world ticking over and provide most of our experiences of wildlife, and I would argue that maintaining the abundance of these is as important a conservation priority as maintaining the existence of rarities’. Richard Mabey

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