Richly Productive

Wednesday 16th September 2026, Wern Farm, Sarn

I was absent from this trip, away sunning myself in Jersey. Fortunately, I have eye-witness accounts from Nigel, Keith and John with which to relate the events of the day…
 
Wern Farm lies just over the county (and indeed national) boundary in Montgomeryshire. It is a smallholding, where three young couples are growing good quantities of food in a small area of cultivation and polytunnels. I’m told that there was a very good diversity of produce in considerable amounts!

photo: Keith Fowler

The site was not too big, and very flat. Very few trees but a nice hedge at the far side. It was mainly grassland, some uncut, with a few damp areas, a pool (that was dry) and a stream (that was also dry but clearly has a good and strong flow at times).

photo: Keith Fowler

The morning was spent looking at the grassland before the stream and in the area of the dry pond, plus a brief sojourn in a polytunnel or two. “The Boy” (Callitula pyrrhogaster, the small wingless wasp which often features in these reports) was discovered within minutes of activities commencing.

Vacuuming for The Boy. Photo: Keith Fowler

A hornet was captured and liberated from a polytunnel.

photo: Keith Fowler

The dried-up pond was full of ruderal plants including lots of Red Goosefoot and a bit of the (up here) less common Many-seeded Goosefoot, Lipandra polyspermum.

Many-seeded Goosefoot. Photo: John Martin

The star invertebrate attractions in this area included Adonis Ladybird, the spectacular blowfly Cynomya mortuorum, the rarely encountered fly Hydrotaea capensis and a rather infrequently recorded fly Muscina stabulans.

Cynomya mortuorum. Photo: John Martin

Hydrotaea capensis. Photo: Nigel Jones

Hydrotaea capensis larvae live in carrion and other decaying material, where they prey on other insect larvae. They have often been found in the carcasses of large mammals (whales, humans), where the warm micro-climate enables them to breed at latitudes or in seasons where they would not otherwise survive. Both M. stabulans and H. capensis are new species for Montgomeryshire (and would have been new for Shropshire if found there).
Another notable find was rather infrequently recorded Sphaerophoria rueppelli, swept from flowers in the pond where it may have been associated with the Persicaria growing there.

photo: Nigel Jones

Other finds to attract the attention of the photographers included a Knot Grass larva

photo: John Martin

Small Copper

photo: John Martin

Nettle-tap

photo: John Martin

Common Blue

photo: John Martin

and Field Grasshopper

photo: John Martin

Lunch was taken in a barn which had been opened up for us. Jill produced some excellent Apple and Ginger cake. We always particularly look forward to days when Jill will be joining us!

After lunch we made for the stream and beyond, setting up camp either in the dry stream bed or under a nearby magnificent old Ash tree that looked to have escaped the ravages (so far) of Ash dieback.

photo: Nigel Jones

photo: Nigel Jones

Another new Montgomeryshire species was captured near the dried up stream – Tephritis praecox.

T. praecox wing. Photo: Nigel Jones

This is another picture-wing that is reacting to our warming climate by spreading north and west into new areas of Britain. It was formerly a rare species in Britain. It has an association with Marigold flowers, Calendula, and indeed a row of Marigolds had been planted in one of the nearby vegetable patches.
The stream bed itself was inspected for life but yielded little. In two places, under the overhanging ledges of banks, a little damp ground survived and here two species of Dolichopodid fly, Dolichopus griseipennis and Campsicnemus curvipes, clung on to life.

D. griseipennis. Photo: Nigel Jones

The highlight of the afternoon was a Barn Owl that a few of the group managed to see.

Spot the Barn Owl! Photo: John Martin

 Despite rain as attendees left Shropshire, the day was on the whole dry and pleasant with only a few spits and spots of rain, although a cool breeze did spring up for a while. I regret missing this trip to what was clearly a very interesting site. Many thanks to our hosts for allowing the group to indulge ourselves so richly.
 
 
 
Photographs © as noted.

A Return to Summer

Wednesday 9th September 2026, Old Cow Pasture and Pentre Bach, Melverley

 A return trip, this week, to another exceptionally quiet corner of the county where several discreet sites cluster around Shropshire Wildlife Trust’s Holly Banks nature reserve. This time we decided to concentrate on the floodplain fields known as Old Cow Pasture and Pentre Bach.
On arrival we were, as is customary, distracted by the habitat in the parking area. The hedgerows soon decanted Britain's joint smallest ladybird, the 1.5mm Stethorus pusillus, known as the Dot Ladybird due to its resemblance to a walking full stop.

A small, wingless wasp was also captured here and is likely to be Eupelmus vesicularis.

photo: Nigel Jones

If so, it would be only the second county record. These wasps prefer humid, cooler climates, particularly in Scandinavia and the British Isles and are primarily associated with the Cabbage Seedpod Weevil (Ceutorhynchus obstrictus) in Sweden. It is regarded as a hyperparasitoid.
Other finds were made here before we finally headed for the first site, not all quite so tiny. This is Tachina fera.

photo: John Martin

We set off for the entrance to Old Cow Pasture, walking back down the lane that most of us had recently driven up to park.

photo: Nigel Jones

The fine, old hedges provided much interest, though access to them was restricted by deep drainage ditches. Buckthorn looked rather Autumnal.

photo: John Martin

Field Maple accommodated galls of Aceris macrochela

photo: John Lyden

Silk Button Galls were seen on oaks.

photo: John Lyden

We reached the gate and entered the Old Cow Pasture, but the old cow seemed not to be at home. By now the sun was shining and Autumn had turned back into Summer. We were over-dressed! The field provided a fine view of the Breidden Hills, Rodney’s Pillar sitting atop Breidden Hill itself.

photo: John Martin

We began by searching an uncut margin. Of the many finds here, those that were photographed included the Aculeate wasp Ancistocerus nigricornis

photo: John Martin

Plentiful Meadow Grasshoppers

Several singing Roesel’s Bush-crickets

That rarest of things, an ichneumon wasp which admits to easy identification: Achaius oratorius

A picture-winged fly, Dioxyna bidentis, which was common on Bidens and other flowers.

Hiding among the many D. bidentis was what turned out to be a Shropshire first, Ensina sonchi, another picture-winged fly, albeit one with almost unmarked wings. Unfortunately I don’t have an image of it.
The field contained two ponds. Or rather, two areas which would have been ponds before the summer drought. We made our way to the first one, which was completely lacking in any standing water.

Here, the still just about damp mud was alive with Slender Groundhoppers, pinging about around our feet.

The second micro ladybird of the day was found, the Red-rumped Ladybird, Scymnus haemorrhoidalis.

As was an attractive little weevil, Nanophyes marmoratus aka the Loosestrife Weevil.

This damp area provided much botanical interest. Redshanks was photographed…

photo: John Martin

… as was Nodding Bur-marigold, Bidens cernua.

photo: John Martin

You might observe that the seedheads on the above plant look rather empty. This may have something to do with the fact that these plants donated their seeds to us with considerable enthusiasm and tenacity as we brushed past them. Trousers, jackets, bags and everything else became infested with seeds on the slightest contact. Much time was spent in efforts to remove them but no doubt some were transported back home with us.

photo: John Martin

We moved on to the second pond area. As we crossed the field a Vestal moth was spotted, one more notable migrant species in this most exceptional of years for them.

Reaching the pond, we found that it was still holding water in its deepest section (where the two people on the right appear to be disappearing into it).

photo: Nigel Jones

Full advantage was being taken by dragonflies, a Migrant Hawker ovipositing into a bulrush stem.

photo: John Martin

Several Common Darters were also present.

photo: John Martin

The bulrushes were also home to a couple of specialist ladybird species. This is the lovely Water Ladybird.

Whilst this is the larva of a Red Marsh Ladybird. An adult was also seen.

In the damper grass around the edges of the pond, Common Green Grasshoppers were singing.

Nearby, the hedge was home to a large Black Poplar, not looking in the best of health. One of its roots snaked across the field, breaking the soil surface. A large fungus sprouted from it: Poplar Fieldcap, Cyclocybe cylindracea, apparently only the second county record, and first this century.

photo: John Lyden

A nearby oak was home to an even more visually impressive fungus, a Giant Polypore. 

photo: John Lyden

Late in the day we moved through the hedge and into the area known as Pentre Bach. Novel finds here included Impatiens capensis, known variously as Spotted Touch-me-not, Orange Jewelweed and several other names.

photo: John Martin

We dallied for a while here and continued to make finds, but eventually we moved on and took the circular route back to our starting point at the parking area. Over the course of the day, we had the pleasure of several Clouded Yellow fly-bys. Late in the day not one but three of them turned up together and one actually landed to pose for photos. What an incredible year it has been for them.

Many thanks to the owners for allowing us to return to these interesting habitats.

 

Post Script

Apologies for the late arrival of this blog post, which was caused by your correspondent spending a few days chasing wildlife in Jersey. Pleasing finds included Blue-winged Grasshopper

And two species of earwig which have moved into the area recently. This one is a male Guanchia pubescens.

Jersey is also notable for the large numbers of Asian Hornets, which were a common sight on Ivy.

Their presence seems to be the number one wildlife concern on the island, a fair chunk of the human population enthusiastically trapping emerging queens in Spring. Despite this, numbers continue to grow, largely due to the limitless supply coming over from France, which is only 14 miles away. Has the feel of a losing battle to me…
 
 
 
Photographs © the author except as noted.