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Re: Padfield

Posted: Wed Sep 09, 2015 8:32 pm
by Wurzel
A fantastic selection of shots Guy - those Spotted Frits are particularly fine :D :mrgreen: Though there is one UK lepster that does go made for Hedge Browns :wink: :lol:
Is it okay to pester you for some Ringlet IDs once I've sorted the photos? :?

Have a goodun

Wurzel

Re: Padfield

Posted: Wed Sep 09, 2015 9:08 pm
by David M
Wurzel wrote: Is it okay to pester you for some Ringlet IDs once I've sorted the photos?
I am looking forward with anticipation myself for these, Wurzel.

Can we expect them any time soon?

Re: Padfield

Posted: Thu Sep 10, 2015 10:00 pm
by Pete Eeles
Padfield wrote:Right - I've had a look at this spring's pictures.

On emergence from hibernation the caterpillar is tan brown, with a chestnut head capsule. I haven't got any brilliant close-ups of this stage, mainly because it is still only about 3 mm long. All the shots I do have, either of the caterpillar still in its hibernaculum, or freshly out, show this colour scheme:

I took that to be 2nd instar. By the end of April, most caterpillars showed a different colour scheme, which I took to be third instar, characterised by 'porcelain' sides and dark grey along the back. Some of these cats have dark head capsules:

If you are right, Pete, and the hibernating stage is 3rd instar, these differences must represent a change of colour rather than a change of skin, because two more distinct phases follow.

This is 4th instar - with a clearly different structure:

And the fifth instar is bright green
Thanks Guy - I'm currently away from home but will undertake a similar analysis when I get the chance. I suspect that the characteristics provided by Frohawk are overly-simplistic (I'd add the amount of horns on the face as another) and don't accommodate any natural variation (e.g. light brown v dark brown).

Cheers,

- Pete

Re: Padfield

Posted: Fri Sep 11, 2015 9:04 pm
by Padfield
Thanks Goldie. I always appreciate your comments in my diary, even though I seem to find less and less time to write comments in others', like yours.

Wurzel - I hope I haven't missed your ringlet photos. Do prompt me if I get slack! I love a challenge ...

Definitely more research needed on my part too, Pete! At the moment, all I can say is that your cats look the same, on entry into hibernation, as mine look a week after exit. I still have some black-heads around - which are either second instar or fully grown first instar. Careful examination of the spiny structures is called for, as I don't think this can change during growth, unlike the colour. No time tonight, though, as I'm just back from giving a lecture on visualising space in four and five dimensions to some very enthusiastic students and teachers and am mentally exhausted!!

Guy

Re: Padfield

Posted: Sat Sep 12, 2015 5:35 pm
by Padfield
Bad weather moving in for tomorrow, so Minnie and I went along the Rhône Valley today. It was windy, and looked ominous in the distance, but stayed sunny the whole time we were out.

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There are still plenty of butterflies around. Todays list included: mallow skipper, rosy grizzled skipper, swallowtail, clouded yellow, Berger's clouded yellow, Bath white, small white, green-veined white, southern small white, small copper, common blue, Chapman's blue, Adonis blue, chalkhill blue, turquoise blue, long-tailed blue, northern brown argus, red admiral, spotted fritillary, grayling, tree grayling, small heath, speckled wood, wall, large wall, meadow Brown. It's not a huge list but I was only at one site and spent quite a lot of time up a windy hill.

Here is a small group of blues with a rosy grizzled skipper (Pyrgus onopordi):

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There were quite a few onopordi around. This one posed a while with its wings closed. I was on the shady side but used flash so the markings could be seen:

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When you get a view like that, this Pyrgus is unmistakable.

We took a path into the dry hills that we've never taken before:

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Very few butterflies up there but lots of beautiful oak-apples:

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Here's a mantis, from back down in the valley:

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He reminded me of Matt's gentle cartoon in the Torygraph today: http://www.telegraph.co.uk/news/matt/?c ... c=11838535 :D

Back at the station, while Minnie and I were sitting down in the shade, I spotted a Bath white land on the far side of the tracks:

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Out of interest, I tried to get a photo of it without moving from where I was sitting. I think the result illustrates what a useful feature the superzoom is on this camera. It's not a good picture but it's perfectly adequate as a record shot:

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I reckoned at the time it was about 20m away.

Guy

Re: Padfield

Posted: Sat Sep 12, 2015 6:34 pm
by Cotswold Cockney
Those final two images are remarkable considering the range.Hand held even better...

Re: Padfield

Posted: Sun Sep 13, 2015 3:28 pm
by Padfield
It is impressive, CC. I think it is in part the high performance of phone cameras that has driven compact and bridge cameras to concentrate on such incredible zoom. Who would actually buy a normal point-and-shoot camera when their phone already contains a state-of-the-art instrument?

I took advantage of the zoom again this afternoon, when I spotted a second brood, male tufted marbled skipper near my local woods. This is only the second individual I have ever seen here, though I had a thriving colony in my garden when I lived a few miles away, in Gryon. He was in pristine condition and I only had a few seconds to get a shot before he was off and away:

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There was little else about - unsurprisingly, after downpours this morning. In the woods I saw mostly speckled woods and red admirals, with a comma and a late female Scotch argus thrown in. But the tufted marbled more than made up for this.

Gautama, my sole purple emperor caterpillar, looks as if he will soon bow his head and prepare for third instar. The slight bulge behind the head and its disjointed appearance suggest this.

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After that it is a matter of luck if I ever see him again. Larvae commonly go wandering for a better home after a skin change and his birth leaf was a product of the summer heatwave. We will see.

Guy

Re: Padfield

Posted: Sun Sep 13, 2015 8:22 pm
by Wurzel
That Tufted Marbled Skipper is a little gem Guy :D :mrgreen: I haven't even sorted the Ringlet photos out yet so you haven't missed them.

Have a goodun

Wurzel

Re: Padfield

Posted: Wed Sep 16, 2015 8:05 pm
by Padfield
Glad I didn't miss anything, Wurzel!

Gautama is now in 3rd instar, and though he was a little active today is currently still on the same leaf. The Föhn is blowing, bringing hot, dry air, and this probably accelerated his skin change as he was still in 2nd, and not fully bowed in prayer, the day before yesterday. These pictures were both taken late this afernoon:

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This is the instar he will hibernate in.

Guy

Re: Padfield

Posted: Fri Sep 18, 2015 3:27 pm
by Goldie M
Just catching up Guy, what fantastic views you've got there the Rhone Valley looks great, that shot of the Bath White from that distance are great Goldie :D

Re: Padfield

Posted: Fri Sep 25, 2015 7:38 pm
by Padfield
Thanks, Goldie. Every season looks lovely here.

I've been very occupied recently, and had a cold for the last few days to boot. That usually happens at the beginning of the school year, when kids come back from all over the world with exotic viruses ... But today Minnie and I did check on Gautama again. He remains my only emperor caterpillar of the season, as we approach hibernation time.

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Unlike white admirals, purple emperors stay on the leaf as long as possible, usually hibernating in late October or early November. The seat leaf is secured with silk against being blown away in an autumn gale and I imagine they are much safer there, at the tip of a swaying leaf, than on a stem, where roving creatures can more easily find them.

Guy

Re: Padfield

Posted: Sat Sep 26, 2015 3:47 pm
by Chris Jackson
Hi Guy,
I'm getting up to speed with your latest posts. That Tufted Marbled Skipper was a good find, and in excellent condition too.
Theoretically I am at the southern limit of their domain in France, but I'm still waiting to see one.
Regular Marbled are common however.

As for that distant shot of the Bath White, please can you tell me which model of camera you used ?

Thanks,
Chris

Re: Padfield

Posted: Sat Sep 26, 2015 5:55 pm
by Padfield
Hi Chris. I'm behind with everything too. The camera is a PowerShot SX520 HS. Like all cameras, it has its pros and cons, but the zoom is definitely a pro. When you have learnt how to manage it properly it can work miracles.

My main mission for today was to see if any cardinals were still on the wing. For those who are interested, the article I co-authored on this butterfly is now freely available on the web here: http://www.researchgate.net/publication ... mphalidae). In 2013 the last was reported from this site on 1st Oct. but last year they were over long before this. I reckoned this would be my last chance this year.

I visited a brown hairstreak site in the morning, without any luck. Brown hairstreak does not really form colonies - it simply occupies a region. Vagrant females can be found anywhere there is blackthorn and habitually turn up at the same sites, often kilometres away from any other blackthorn. But I drew a blank this morning.

In the afternoon, on to the cardinals. I did see a couple, of which more later, but first, Minnie's little adventure ...

All was well until about 14h00, when I told her to wait while I photographed a speckled wood. When I turned round, she was nowhere to be seen. I presumed she had carried on, but as she wasn't there either, I called. She answered - a distant yap. I set off in the direction the yap came from, calling every so often, and eventually the yap came from the distance in the other direction. Then it got quieter and quieter as if she were being driven off somewhere (I thought). Some ten minutes, and a lot of running around, later, I worked out she was actually underground, trapped or lost somewhere beneath several hundred tonnes of rubble. I could locate almost exactly where she was, but had no hope of retrieving her. SO, I called the fire brigade!

In no time at all, three very helpful pompiers were at my side, calling 'Minnie' and puzzling how on earth to extricate her. The chief rang all his hunting friends to see if they had any tips, then called up three more pompiers to help with the probably futile but necessary task of moving what rocks we could. The larger rocks were at least 20 tonnes. She was deep beneath them, lost, trapped, or just incapable of climbing out. Then one of the girls had the idea of wrapping my sweatshirt round a long stick and pushing it as far as she could into the void. This seemed to achieve nothing at first, but some minutes later a chalky Minnie appeared, a little dazed, in the orifice, scrabbled about a bit and finally managed to get out. I think sounds had echoed and misled her. There was obviously no light at all where she was. But the smell of my sweatshirt enabled her to guide herself to the exit. In all, she was underground for about two hours.

So, a thousand thanks to Les Pompiers of Fully for their cheerful, supportive help in rescuing Minnie. They were really incredibly nice - it was like being with a group of friends who cared. And I think they were all relieved when she appeared!

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That episode took about 2 hours. Before it, I had seen a single female cardinal in the vineyards:

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This is the location:

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I soon lost her among the vines, where she was doubtless laying - Viola tricolor grows widely among the grapes.

There were no cardinals at the usual site because all the Buddleia was over - in fact, there were almost no butterflies there at all. But after the Minnie adventure I saw another female, also among the vines, even further from the nectaring site, and also doubtless laying. It is impossible to chase such a mobile butterfly in a vineyard ready for harvest, so I couldn't follow to see her laying. But she is clearly a different individual:

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Other species flying were wall, large wall, small, southern small and green-veined whites, common and Adonis blues, clouded and Berger's clouded yellows, tree graylings, Queens of Spain, commas and red admirals.

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(a pair of Queens, male below, female above)

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(female southern small white, Pieris mannii)

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(Minnie, posing casually before the adventure)

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(my previous dog, Asha, posing at the same site eight years ago)

Guy

Re: Padfield

Posted: Sat Sep 26, 2015 6:12 pm
by Pete Eeles
Strewth - so relieved that my little pal is ok, Guy! You must be so relieved too. And the Swiss fire brigade are quite something!

The Cardinals and paper seem so minor, in comparison, but great work ... as usual!

Give Minnie a hug from me :)

Cheers,

- Pete

Re: Padfield

Posted: Sat Sep 26, 2015 7:25 pm
by Neil Hulme
Hi Guy,

I'm delighted the story ended happily. I suspect Minnie is related to Lassie.

You have some lovely Pompiers over there!

BWs, Neil

Re: Padfield

Posted: Sat Sep 26, 2015 9:22 pm
by Padfield
Thanks Pete and Neil. As Frankie Howerd said, 'Up les pompiers'! :D Lassie - that brings back memories. But I'd be quite happy if Minnie restricted her own adventures to bivvying with me on the mountain and sniffing out rare butterflies.

Guy

Re: Padfield

Posted: Sat Sep 26, 2015 9:32 pm
by David M
Great piece of work by les pompiers suisses!! I'm sure you'd have remained there ad infinitum if they hadn't retrieved her.

Re: Padfield

Posted: Sun Sep 27, 2015 9:49 am
by jenks
So pleased to read that Minnie was retrieved, without harm. And what a piece of inspiration by les pompieres; wrapping your sweatshirt around a stick and dropping it down a crack between the boulders to draw Minnie`s attention to it. In the South Wales valleys we have numerous holes and cracks in fields caused by old coal mining subsidence and dogs (terriers in particular) have disappeared whilst exploring, some have been retrieved,some lost.

Great photos too. Queen of Spain Frit remains on my wish list !

Jenks.

Re: Padfield

Posted: Sun Sep 27, 2015 7:04 pm
by Padfield
If she hadn't come up I would still be there now, David. It's too dreadful to contemplate.

What you describe is tragic, Jenks. I knew Jack Russells sometimes got stuck in rabbit warrens but I didn't realise old pits were a problem. As I've described in previous diary posts, I always keep Minnie on the lead in marmot areas, and luckily she is frightened of badgers, another danger for terriers.

No excitement today. We went on a Lactarius deliciosus (saffron milkcap) hunt in the woods, coming back with about half a kilo - all beautifully undamaged. I always pick some and leave some - it's easy to get a meal's worth on any autumn day, especially as hardly anyone seems to eat this species outside Spain (where every supermarket stocks cans and jars of several different brands).

Guy

Re: Padfield

Posted: Sun Sep 27, 2015 7:47 pm
by Padfield
And finally ...

A couple of pictures sent by the chief pompier:

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Guy