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Post by Deleted on Feb 16, 2012 4:26:54 GMT -8
same here with L Megera Bob, it must be 15 years since I last saw one, urticae is starting to recover but I would say numbers are about 20% of its former abundance, up to the late 1960's it was inachis io that was scarce until a population explosion in the mid 1970's here, the comma p c album has had a similar upturn in fortunes in the last 20 years too.
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Post by bobw on Feb 16, 2012 4:58:06 GMT -8
L. megera was never especially common down here Dunc. When I was a kid I'd probably see one or two in each day's collecting locally, and they were never much commoner in other places. I've probably not seen one around here in 25 years now. One thing I did find is that although they were widespread but never abundant 40-50 years ago they then seemed to retreat to coastal areas; every time I go to the coast I see a few; I never see them inland any more.
I've not noticed much fluctuation in the numbers of I. io or P. c-album down here; they've always been reasonably common but not abundant, and still are.
Bob
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Post by Deleted on Feb 16, 2012 5:45:41 GMT -8
thats funny the last wall I saw was at Flambro Head 3 years ago, they are particularly common on Portland as well.
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Post by bobw on Feb 16, 2012 6:28:03 GMT -8
As I said - coastal!
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Post by Deleted on Feb 16, 2012 11:12:06 GMT -8
"we used to have them everywhere up here in yorkshire, but i hardly ever see any" Pete, I have not noticed any significant drop in numbers in rapae here in South Yorkshire, in fact the only species to become more scarce are the wall l megera which in my youth was the most common butterfly around Pontefract non existant now, large and small skippers o venata and t sylvestris and the small tortoishell a urticae which has had a difficult 5 years here, on the plus side the speckled wood and commas pp c album and p aegeria are everywhere and dingy skippers e tages are on the increase, fluctuations even of common species occur at any given time especially here in our concrete jungle. where u from dunc? I'm from thurnscoe
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Post by Deleted on Feb 16, 2012 14:03:22 GMT -8
Higham, but origionally Upton near Pontefract.
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