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Butterfly Diary
- field notes by Adrian Hoskins
earliest sightings
are highlighted in bold type
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Sightings policy - details
of certain sites where visitor pressure or trampling may
pose a threat to butterflies, or alienate landowners, are
excluded from these pages.
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Click on
thumbnails to see more photos, and detailed descriptions of the
distribution, habitats, lifecycle and behaviour of each
illustrated species......
2007
June
Jan
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Jun |
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Dec
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Saturday 23rd
June
Overcast and showery conditions today minimised butterfly
sightings, but at Bentley Wood I saw about 30 Silver-washed
Fritillaries ( mostly males ), 3 Red Admirals, 2 Commas, a White
Admiral, a Large White, 2 Small Skippers, 20 Large Skippers, 10
Ringlets, 20 Meadow Browns and 7 Marbled Whites. Later, at Martin
Down I saw 40 male Dark Green Fritillaries ( and 2 females
), 40 Marbled Whites, a migrant Painted Lady, a Small White, 2
female Common Blues, 15 Small Skippers, 20 Large Skippers, 25
Meadow Browns, 12 Small Heaths, 2 Ringlets, 2 fresh Small Coppers,
and over 100 Chimney Sweeper moths.
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Sunday 17th
June
Today I visited a site in south-west England to see Britain's rarest
butterfly, the Large Blue. Despite overcast conditions over
60 adults were flying. I was able to watch the females ovipositing
on thyme flowers, and saw two individuals oviposit on self-heal.
Small Tortoiseshells were also abundant, with at least 20 seen.
Other species included 6 migrant Painted Ladies, 3 Common Blues,
30 Meadow Browns, 5 Small Whites, and 8 fresh Small Heaths.
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Saturday 16th
June
This morning, in showery conditions at Stansted Forest, I saw 30
Meadow Browns, a Speckled Wood, 5
fresh Marbled Whites, 3 Ringlets, 6 female Large Skippers, a Small Skipper, 2 Small
Whites, 2 Red Admirals, and my first White Admiral of the
year.
In the afternoon the weather improved and I visited Alice Holt
Forest. There I saw 35 Meadow Browns, 4 Ringlets, 24 Large
Skippers, 6 very worn Commas, 4 Red Admirals, 28 fresh White
Admirals, and 4 Silver-washed Fritillaries including a
female which raised her abdomen to signal a male that she had
already mated. Around one small oak tree I watched a group of 7
White Admirals flying in and out of the foliage. They often
settled to feed at acorn buds, and were
also seen nectaring at bramble and dog rose.
Reports from other observers indicate that Silver-studded Blues
and Dark Green Fritillaries are now approaching the peak of
their flight season, while Gatekeepers and Purple Hairstreaks are
just beginning to emerge. There has also been a confirmed sighting
of Queen of Spain Fritillary on Old Winchester Hill.
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Sunday 10th
June
I
spent today in Kent, visiting a coppiced woodland where I saw about 40
fresh Heath Fritillaries in one small glade which was
carpeted with the larval foodplant cow wheat. I also checked out
several other recently coppiced glades but these were virtually
devoid of cow wheat, and unsurprisingly also devoid of Heath
Fritillaries. The only other species seen was a female Holly Blue.
Later in the day I visited another nearby wood, where I counted
another 30 Heath Fritillaries at a flowery ride intersection, and
also saw 4 female Common Blues, and 3 migrant Painted Ladies.
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Saturday
9th June
At
Glapthorn Cow Pastures today I saw the first Black Hairstreaks
of the year - one seen in flight around the top of a blackthorn
bush, and another seen nectaring at bramble at another part of the
site. Other species seen included 3 worn Green-veined Whites, a
Brimstone, 6 Speckled Woods, 8 Meadow Browns and about a dozen
Large Skippers. Later I visited Finemere Wood, where I failed to
find further Black Hairstreaks, but saw 4 Green-veined Whites, a
Brimstone, a Small White, 2 Small Tortoiseshells, a Peacock, a
Comma, a Red Admiral, a migrant Painted Lady, about 30
Large Skippers, a Small Skipper, 20 Meadow Browns, 8 fresh
Speckled Woods, a Small Heath, 2 Brown Argus, and a Holly Blue.
Reports also arrived today of Large Blues emerging at a private
site in Somerset, Dark Green Fritillaries at Pitt Down, Marbled
White at Portsdown Hill, and Heath Fritillaries in several Essex
woods.
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Sunday
3rd June
While
walking my dog in Stansted Forest early this afternoon I saw a Red
Admiral, 2 Green-veined Whites, a Small Copper, a female Holly
Blue, 2 Meadow Browns, and about 15 Speckled Woods, one of which
was ovipositing on
Milium
effusum
growing in dappled sunlight amongst foxgloves. Most of the
Speckled Woods were worn specimens, some with bird-pecked
hindwings.
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Saturday
2nd June
The
long-awaited return of fine weather prompted me to visit
Stockbridge Down this morning, where I saw a fresh Small
Tortoiseshell,
2 Green Hairstreaks, 4 very worn
Brown Argus, a Small Copper, 8 Small Heaths, 15 fresh male
Meadow Browns ( all feeding at bramble blossom ), 2 Large
Whites, a Green-veined White, a dozen Common Blues, a Peacock, a
fresh Red Admiral, a Speckled Wood, a faded female Holly Blue, and
about 20 Brimstones - mostly females nectaring at bramble or musk
thistle.
In the
afternoon I checked out the mainland colonies of Glanville
Fritillary. I walked the entire length of the undercliff between
Hordle Cliffs and Milton-on-Sea, and then returned via the cliff
top, but found no sign of the butterfly ( although I did see a
Wall Brown ). Later I visited Hurst Castle where there were at
least a dozen Glanville Fritillaries flying in the vicinity of the
lighthouse. I suspect that the colony will be short-lived however
- the Hordle Cliff colony was almost certainly the progeny of a
single female that found it's way across the Solent. The genetic
diversity therefore was very limited, and after a couple of
generations entropy would have weakened the stock, reducing it's
viability. The Hurst Castle colony is also almost certainly the
progeny of a single migrant female, and will probably meet the
same fate.
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Friday
1st June
Britain's notoriously variable
climate never gets boring does it ? April was so hot and sunny
that it felt like August, and all the butterflies emerged 3 weeks
early. In contrast the cool wet weather of May was more
representative of late March ! Now, as we enter June, many
of the summer species are already in the pupal stage, and we can
expect to see early emergences of Silver-studded Blues, Heath
Fritillaries and probably even White Admirals and Silver-washed
Fritillaries. Watch this space !
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Text and photographs protected by Copyright © Adrian
Hoskins 2007-2008, and must not be reproduced or published in part
or in whole elsewhere in any form without written permission from
Adrian Hoskins. Breach of copyright will be pursued by litigation.
Website designed, produced and owned by
Adrian Hoskins
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