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2 Posts tagged with the red_admiral tag
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As national Be Nice to Nettles Week closed, our plans for our own Nettle Weekend on 31 May and 1 June gathered pace - Roy Vickery prepares the way for the plant with many names and many uses:

 

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Common nettle, Urtica dioica.

© Derek Adams

 

"The smell of young stinging nettles evokes the beauty of early summer, that time of year when broad-leaved trees are covered in fresh green leaves, red campion brightens our hedgerows, and early orchids appear in grassland. Insects re-emerge and become active, and insect-eating birds boldly search for aphids and other small beasts to feed to their young.

 

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Aphids and a ladybird predator in our Wildlife Garden during May.

© Derek Adams

 

Butterflies such as the small tortoiseshell and red admiral lay their eggs on nettles and soon young caterpillars emerge.

 

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Nettle tap caterpillar (Anthophila fabriciana) on nettle. You can find out more about nettles, butterflies and moths in Alessandro Guisti's Curator of Lepidoptera blog.

© Harry Taylor

 

Now is the time to collect nettle tops for eating as a green vegetable or in soups, in a few weeks time they will be too tough to enjoy.

 

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Nettle tops prepared for the pot.

 

It is also now when early turkeys are hatched and, before the discovery of antibiotics, nettles were added to their food to try and keep them healthy. Now is also the time to start brewing nettle beer, formerly a drink much used in rural areas. It contains little alcohol, just sufficient to kill any microbes which might have been present in rural water supplies.

 

The stinging nettle was also valued as a fibre plant. Its fibres are strong, but difficult to extract. Fibres prepared in early summer are fine and satin-like, later in the year they are similar to hessian.

 

Wherever nettles grow it seem they've been believed to be useful for treating painful joints: if your knees are already painful, 'beat them with nettles'; if they are not, ramblers might find comfort in knowing that being stung with nettles early in life is said to prevent the later onset of rheumatic conditions.

 

In recent years the nettle, an ordinary - but also extraordinary - plant has been celebrated at events held around the country, including the Museum, so come and find out more".

 

Nettle Weekend will be held at the Museum on Saturday 31 May to Sunday 1 June: join Roy and the rest of the Museum nettle team to discover the many uses of the common nettle and some of its relatives from around the world. For more information about the event, download the PDF attachment to this post.

 

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Nettle Soup or dyes from Nettles? Come and find out more at our Nettle Weekend.

© Derek Adams

 

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Herbarium specimen of Himalayan Giant Nettle (Girardinia diversifolia), one of several specimens on view at our Nettle Weekend. See fine fabrics woven or knitted from the fibre of Nepalese nettle.

 

Nettle weekend at the Natural History Museum is part of the Chelsea Fringe.

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One of the many rewards of returning to work in the garden after a short break is not only to see changes in the vegetation that have occurred but also to hear about the different species of insects that have been spotted recently. Here Larissa tells us about the vibrant butterfly life during two sweltering weeks in July:

“Just living is not enough," said the butterfly, "one must have sunshine, freedom, and a little flower.”

― Hans Christian Andersen, The Complete Hans Christian Andersen Fairy Tales

It’s my favourite time of the year and I have welcomed the heat after a cool spring. This spell of fine weather is particularly good news for butterflies, whose populations had suffered from the previous years’ wet and cool summers. Butterflies and moths are unable to fly, find mates, feed or lay eggs to maintain population levels when the weather is poor. They are sensitive to environmental changes, and because of this, they are seen as good indicators of the likely effects on other species from a changing climate.

 

The first to emerge in the Garden earlier in the year at the end of April, were the orange tip (Anthocharis cardamines). Both male and female butterflies were around so hopefully they have mated successfully and we shall see their return next year. The males have the distinctive orange tips on their wings from which they get their name while the female is less conspicuous, lacking the orange tips and distinguished from the whites by the green mottled underwing which she shares with the male.

 

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Orange tip - this male was hiding from the April chill earlier this year, in the warmth of our greenhouse. Photo © L. Cooper

 

Early May saw the arrival of the first speckled wood (Pararge aegeria) and the holly blue (Celastrina argiolus). The holly blue is a delicate and beautiful butterfly with their blue wings brightening up the early spring garden. It gets its name from its preference for holly (Ilex aquifolium), but it also lays its eggs on ivy (Hedera helix), especially the summer brood.

 

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Holly blue - while males and females differ slightly on the upper wing, they are less distinguishable on the underside. Photo © Peter Eeles, Butterfly Conservation

 

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Speckled wood - often seen sunning themselves on a log in the Garden's woodland areas, or around the shed. Photo © L.Cooper

 

There have been plenty of large and small whites (Pieris brassicae and Pieris rapae, respectively) around since spring, dancing together over our pond and in the meadow. Although common and seen as a pest to many allotment owners, you can’t deny their beauty when in flight.

 

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Large white - setting aside one or two cabbages for caterpillars, and removing them from the rest, could be a way to happily coexist with the small and large white butterflies. Photo © Tim Melling, Butterfly Conservation

 

But it’s these last two weeks in July which have been the most impressive. The arrival of the sun has brought more butterflies with it and it never ceases to amaze me just how much wildlife can be found in this little acre of green in the heart of London.

 

On the 15 July, I sighted the first visits of the year to the Garden from 3 different species. First up, a red admiral (Vanessa atalanta) passed me by near the pond resting just long enough in the reeds to admire its bright colours.

 

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Red admiral. Photo © Neil Hulme, Butterfly Conservation

 

The red admiral was followed shortly by a skipper flying around the hedgerow flower near the greenhouse. These were planted with the aim of providing a nectar source for insects so it good to see that it is working! Unfortunately, the skipper lived up to the reason for its name and was quick to fly away so I have neither a photo or species identification, but I think it was likely to be a large skipper (Ochlodes sylvanus).

 

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Large skipper - the members of this genus adopt a typical pose making it easy to identify them as skippers. Photo © Ian A Kirk, Butterfly Conservation

 

I then spent about an hour, on and off, trying to spot an elusive bright orange butterfly which kept tempting me, then flying away at the last moment. It looked too bright to be a British specimen at first and I thought it may possibly have been an escapee from the Museum's nearby butterfly house that is on the East Lawn for the summer. However, when it landed long enough for me to take the poor picture below, before it took to the wing and disappeared, I was able to identify it as a comma (Polygonia c-album). Although it was a first for me, it has been a frequent visitor to the garden in previous years and it is resident in the country.

 

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A comma - bigger than I imagined, but recognisable from the rough wing edges. The species gets its name from a white 'c' shape on the underside of its otherwise brown wing. Unfortunately, this one didn't stop for long enough for me to capture this signature marking. Photo © L. Cooper

 

A couple of days later, not only did our new volunteer Alora spot the first six spot burnet moth of the year but a little while later we had a Garden first. A ringlet (Aphantopus hyperantus) settled in the meadow long enough for us to take a picture and identify it by the distinctive rows of rings on the underside of its wings (n.b. they do also have rings on the upper wings). This was a very exciting day!

 

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Ringlet - not only a first for the Garden but also an uncommon species in London. Photo © N. Lake

 

 

Today I can also add a brimstone (Gonepteryx rhamni) to the list of my sightings, feeding on purple loosetrife nectar by the Garden’s waterfall.

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A brimstone feeding - my first sighting of the species was earlier this year at Juniper Hall. It’s lovely to see them here in the Wildlife Garden too. Photo © L. Cooper

 

I’ll keep looking for butterflies this summer, and you can also join in with Butterfly Conservation Trust’s Big Butterfly Count. It’s the world’s largest butterfly survey and by taking part you can help monitor the health of our environment. The Big Butterfly Count is really simple and great for all ages, and even comes with a free easy to use smartphone app to help you’re your recordings. To find out more visit the Butterfly Conservation website.

 

Thank you Larissa!

 

P.S. Drop by the Garden to see if you see some of the same butterflies as Larissa or, to see exotic butterflies and moths that aren't native to our shores, visit the Museum's Sensational Butterflies exhibition. It's in it's last few weeks so be sure to come along before it ends on the 15 September.