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Post by Paul K on Oct 26, 2017 14:55:50 GMT
2017 was the great year for this species in Southern Ontario. I have never seen them in such numbers and they are still flying here in very late October. I want to add that Autumn is extremely warm this year following very wet and rather cool summer.
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Post by exoticimports on Oct 27, 2017 12:16:40 GMT
Noted in NY as well. The Monarch also.
On our side of the lake following a big late season storm one can walk the beach and pick up thousands of dead monarchs.
Chuck
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Post by nomad on Oct 27, 2017 18:58:27 GMT
Not many Vanessa cardui seen where I live in the UK this year, my count was two worn examples. It is of course an immigrant species in Britain. Some years there are lots others very few.
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Post by exoticimports on Oct 30, 2017 14:33:46 GMT
Noted in NY as well. The Monarch also. On our side of the lake following a big late season storm one can walk the beach and pick up thousands of dead monarchs. Chuck Chuck, is this a normal occurrence for the season? Or was this caused by the late season storm? Jan Hi Jan,
The fall season when the Monarch migrates is frequented by severe storms and high winds from the north west. Many storms come quickly, so we can have warm, bright skies one minute, then an hour later have lost 10C and have high winds. Monarchs caught over Lake Ontario in these storms are often forced down (since they typically fly no more than a meter above the water) and then are washed ashore, sometimes by the thousands.
Chuck
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Post by nomad on Oct 31, 2017 12:01:09 GMT
Here is one of the individuals of Vanessa cardui that I saw this year, which was found in early May above the Avon Gorge in Bristol in the west of England. This butterfly in that condition and at that date and place, had probably just flown the 1,700 kilometers from southern Spain in one go, as they are able to do. Amazing insect.
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billg
New Aurelian
Posts: 29
Country: U.S.A.
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Post by billg on Oct 31, 2017 21:36:40 GMT
We had a fair number of V. cardui this year. A few years ago I got the oddball in pic. Two days later, I got a second one.
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Post by nomad on Oct 31, 2017 21:43:13 GMT
The bottom specimen is an unusual aberration or oddball. I quite like the latter term.
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Post by jmg on Nov 3, 2017 18:47:33 GMT
Some Vanessa cardui, with Parnassius apollo, were flying on the Montagne de Lure in Provence (June, 21, 2017). It was 2009, the year of the last great Vanessa cardui migration in Western Europe. See the page : www.lepido-france.fr/vanessa-cardui-2009-une-annee-exceptionnelle/Photo : V. cardui & P. apollo at the same place (Montagne de Lure, June, 21).
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Post by Paul K on Nov 10, 2017 13:39:17 GMT
Yesterday Nov 9 the temperature in Toronto was +9°C and I still saw V.cardui flying around. Today the temperature dropped to -10°C with the windchill of -18°C due to the Arctic fridgid air mass coming from Santa Clause residence. I wonder if that poor fellow will survive and fly south or perhaps it is frozen dead already.
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