tortoiseshell butterfly
US /ˈtɔːr.təs.ʃel ˌbʌt.ər.flaɪ/
UK /ˈtɔːr.təs.ʃel ˌbʌt.ər.flaɪ/

1.
petite tortue, papillon petite tortue
a common European butterfly (Aglais urticae) with wings that are typically orange-brown with black and yellow markings and blue spots near the edges
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A beautiful tortoiseshell butterfly landed on the lavender.
Un magnifique papillon petite tortue s'est posé sur la lavande.
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We saw several tortoiseshell butterflies fluttering in the garden.
Nous avons vu plusieurs papillons petite tortue voltiger dans le jardin.