peacock butterfly

US /ˈpiːkɑːk ˌbʌtərflaɪ/
UK /ˈpiːkɑːk ˌbʌtərflaɪ/
"peacock butterfly" picture
1.

paon-du-jour

a large, colorful butterfly (Aglais io) with distinctive eye-spots on its wings, resembling the eyes on a peacock's tail feathers

:
The vibrant peacock butterfly landed gently on the lavender.
Le vif paon-du-jour s'est posé délicatement sur la lavande.
You can often spot a peacock butterfly in gardens during summer.
On peut souvent apercevoir un paon-du-jour dans les jardins en été.