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Author Archives: sconzani

Cocoon

08 Saturday Jul 2023

Posted by sconzani in insects, trees

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Aproceros leucopoda, Elm zigzag sawfly, Elm zigzag sawfly cocoon, insect cocoon, leaf damage by Elm zigzag sawfly larvae, Wych elm, Wych elm leaves

At this time of year, whenever I spot a Wych elm tree, I spend a bit of time staring at the leaves. I look for two things in particular: the first is to see if I can spot any White-letter hairstreak butterflies flitting around, usually at the top of the tree but also lower down; and the second is to see if anything has been nibbling at the leaves. My searching paid off last week when I spotted the distinctive signs of leaf damage caused by the larvae of the Elm zigzag sawfly (Aproceros leucopoda), not necessarily a good thing as this is an invasive species, which I found new to Wales in October 2021 (Zorro comes to Wales) and which is now slowly spreading westwards. But, more interestingly in this particular case, I found one of the cocoons the larvae pupate in, a very delicate, woven-silk structure (you can see an occupied cocoon on the Forest Research website). This one was empty so I guess that’s one more adult sawfly helping to spread the species further.

230708 elm zigzag sawfly cocoon

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The tiniest moth

07 Friday Jul 2023

Posted by sconzani in insects

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Batia lunaris, British moths, Lesser tawny tubic, moth, tiny moth

At first I thought this was just a scrap of dried leaf or something similar, but then I looked more closely and could see that the two white bits sticking out one end were in fact tiny legs. It was a moth, a Lesser tawny tubic (Batia lunaris), hands down the smallest moth I’ve ever seen.

230707 Batia lunaris (1)

According to the UK Moths website, it has a wingspan of 7-10mm, is present throughout England (it doesn’t mention the rest of the UK but, obviously, it’s here in Wales!), and can generally be found in woodland areas – if you can find it at all, that is. I’m so glad I decided to check it out rather than ignore it.

230707 Batia lunaris (2)

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Little Gorse shieldbugs

06 Thursday Jul 2023

Posted by sconzani in insects

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British shieldbugs, Gorse shieldbug, Gorse shieldbug instars, Piezodorus lituratus, shieldbug nymphs

I’ve blogged about Gorse shieldbugs (Piezodorus lituratus) before, in particular the adult bugs and their amazing little barrel-shaped eggs (in A bug and its eggs, April 2022) but I’ve only once before seen one of the intermediate stages of the nymphs between egg and adult (a second instar – see A shieldbug selection, September 2021). Until last week, that is. And these Gorse shieldbugs, of various instars, were actually grazing on Broom rather than Gorse. (The British Bugs website has both photographs and a chart of the diversely coloured nymphs, if you’re interested in more information.)

230706 gorse shieldbug instars

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Little Long-tailed tit

05 Wednesday Jul 2023

Posted by sconzani in birds

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birding, birdwatching, British birds, juvenile birds, juvenile Long-tailed tit, long-tailed tit

As I was standing perfectly still and silent in the thick of a copse of trees and shrubs, staring at leaves and insects and leafmines, the small flock of juvenile Long-tailed tits moving through the greenery, foraging for tiny insects, didn’t notice me, which meant I was able to get a few photos of these adorable wee youngsters.

230705 long-tailed tit juvenile

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The cryptic Grayling

04 Tuesday Jul 2023

Posted by sconzani in insects

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Aberbargoed spoil tip, British butterflies, butterfly, cryptic colouring, Grayling

Their cryptic colouring is so effective that if you blink, you lose them, so I consider myself very fortunate to have found at least a dozen Grayling on top of the Aberbargoed spoil tip during my annual visit last Thursday.

230704 grayling (1)

It’s only when these butterflies display their upper wing, with the Meadow-brown-like dot and orange colouring, or perch in an uncluttered spot, like this rock, that they can be seen more clearly.

230704 grayling (2)

And, even then, if you’re standing more than a few feet away on a slope covered in dry vegetation and coal-mining spoil, unless you see where they land they can be extremely tricky to locate. The word cryptic was invented for these beauties.

230704 grayling (3)

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Broom leaf-beetle

03 Monday Jul 2023

Posted by sconzani in insects, plants

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beetle larva, Broom leaf-beetle, Broom leaf-beetle larva, Common broom, Gonioctena olivacea, insect on Broom

I spent an hour going through my guidebooks on British caterpillars and butterfly life cycles but couldn’t find a match for this little critter, found on a stem of Common broom (Cytisus scoparius) growing on the side of the Aberbargoed spoil tip. So, I put a query on Twitter, tagged a couple of friendly experts, and within five minutes I had an answer. It wasn’t a Lepidoptera larva at all – this is the larva of the Broom leaf-beetle (Gonioctena olivacea) (click on this link to the UK Beetles website to read more). Of course, now I’m going to have to go back to see if I can find the adult beetle, which is apparently active between April and late summer, and which I’ve never seen.

230703 Broom leaf-beetle larva

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Lady’s-mantle

02 Sunday Jul 2023

Posted by sconzani in flowers, plants, wildflowers

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Alchemilla, British wildflowers, Lady's-mantle, wildflowers, yellow flowers

Lady’s-mantle is one of those plants that’s difficult to determine to exact species. The large Garden lady’s-mantle (Alchemilla mollis) has escaped its original garden setting and become naturalised in many places, and, just to increase identification difficulties, some species have hybridised with others. It’s a plant I’ve found growing in a variety of places: in grassland at the local country park, along a nearby woodland ride, on a former coal spoil tip and, below, in a former quarry.

230702 Lady's-mantle (1)

Richard Mabey provides some interesting information about this plant in Flora Britannica:

The often nine-lobed leaves of lady’s-mantle, like cloaks or umbrellas, fold up overnight and catch the dew on their soft hairs. Plant-dew was highly valued by early herbalists … and this made Alchemilla prized as a simple [sic], prescribed for wounds, infertility, and impotence. The alchemists also required the purest dew for turning base metal into gold – hence the name Alchemilla, ‘little alchemist’. Such a powerful and magical herb was bound to be christianised, and some time in the Middle Ages it was named Our Lady’s Mantle, and eventually lady’s-mantle.

230702 Lady's-mantle (2)

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My first Essex of the year

01 Saturday Jul 2023

Posted by sconzani in insects

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British butterflies, butterfly, Essex skipper, skipper butterflies

Posing perfectly to show off those distinctive black antennae tips, my first Essex skipper of the year popped up to greet me last Friday.

230701 essex skipper

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Lifer: Ruddy darter

30 Friday Jun 2023

Posted by sconzani in insects

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British dragonflies, darter, dragonfly, Odonata, Ruddy darter, Sympetrum sanguineum

I’m on an odonata roll! Last week my first Small red-eyed damsel, this week my first Ruddy darter, though I’ll be the first to admit that I didn’t know it was a Ruddy darter when I took this photograph. Initially, I thought I was seeing my first Common darter of the year. But, when I got home and looked more closely at the couple of photos I got, I realised it didn’t look right for a Common darter. This dragonfly had all-black legs (no yellow stripe down them) and the top of the thorax was all one colour (no contrasting stripes). I consulted my book and thought I’d worked it out but sent my photo to the county recorder for dragonflies to check. His response came back fairly quickly – it was a Ruddy darter (Sympetrum sanguineum), a female so not ruddy in colour as the male is. The British Dragonfly Society website has excellent photos of both genders, as well as comparison shots with other dragonflies, which I find really useful.

230630 ruddy darter

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Lifer: Small red-eyed damselfly

29 Thursday Jun 2023

Posted by sconzani in insects

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British damselflies, damselfly, Erythromma viridulum, Odonata, Roath Park Lake, Small red-eyed damselfly

One day last week, for a change of scene, I headed to north Cardiff, for a wander around the area where I flatted when I first moved to Cardiff almost eight years ago. By chance, when I was wandering through the wild area at the northern end of Roath Park I bumped into a birder I know, who also happens to be a park ranger. I told him I was heading for Roath Brook to look for the Banded demoiselles I’ve seen there in the past, and he mentioned the Small red-eyed damselflies to be found around the lake. I’d never seen one of those so I made it my day’s mission to find one.

230629 small red-eyed damselfly (2)

It was hot standing in the full sun, staring at the vegetation, trying to check all the blue damselflies, but it was worth the effort. I found my first Small red-eyed damselfly (Erythromma viridulum) at the northern end of the lake. And then, at the southern end, by peering over the railing of the dam, I spotted several more flitting about and perching on the duckweed. My photos aren’t very good, I’m afraid, but the British Dragonflies website has some crackers.

230629 small red-eyed damselfly (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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Recent blog posts

  • The Fox and the crow May 2, 2026
  • More Green tigers May 1, 2026
  • Cute cootlet April 30, 2026
  • Blood bees April 29, 2026
  • Nesting material April 28, 2026

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