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| 1] male of Apatura ilia form ilia alt. 340m - Côte d'Or (France) - 26/06/2024 | | |
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| 2] same specimen as 1], showing its purple sheen depending on the light incidence. In males of Emperor butterflies, this sheen is not due to purple scales but relies on an optical phenomenon, explaining why the purple colour is not visible on the left part of the butterfly on this photograph | | 3] same specimen as 1]. The purple sheen is not visible under this light incidence
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| 4] same specimen as 1], licking a liquid on a stone | | 5] same specimen as 1], attracted to fox dung | |
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| 6] male of form ilia. According to the position of the observer's eye, the purple sheen becomes visible in the males, whereas there is no purple sheen in the females - Yvelines (France) - 25/06/2002 | | 7] male of form ilia - Yvelines (France) - 25/06/2002
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| 8] male of form ilia - Pyrénées orientales (France) - 07/07/2018 | | 9] same specimen as 5] | |
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| 10] male of form clytie - Yvelines (France) - 25/06/2002 | | 11] male of form clytie - Yvelines (France) - 23/06/2003 | |
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| 12] male of form clytie alt.150m - Haute Garonne (France) - 05/07/2021 | | 13] same specimen as 12]
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14] male of form clytie - Côte d'Or (France) - 15/06/2009
| | 15] male of form clytie, attracted to human sweat on a backpack - Doubs (France) - 03/07/2010 | |
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| 16] female of Apatura ilia form ilia - Haute Loire (France) - 12/08/2006 | | 17] female of form clytie - Doubs (France) - 08/06/2007
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| 18] female of form clytie - Haute Garonne (France) - 24/08/2017 | | 19] same specimen as 18] | |
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| 20] young caterpillar on Populus nigra - Var (France) - 12/09/2014 | | 21] same larva as 20] | |
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| 22] same larva as 20] | | 23] same larva as 20] | |
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| 24] same larva as 20] | | | |
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| 25] caterpillar of Apatura ilia on Populus tremula - Doubs (France) - 24/05/2010 | | 26] other view of 25]
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| 27] other view of 25] | | 28] other view of 25] | |
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| 29] other view of 25] | | 30] other view of 25] | |
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