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Biston betularia

Biston betularia.JPG Bison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornisBison bonasusThumbnailsBitis nasicornis

La Phalène du Bouleau, le Biston du Bouleau
(L.)