Meaning of the word "purple emperor" in English

What does "purple emperor" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

purple emperor

US /ˌpɝː.pəl ˈem.pər.ər/
UK /ˌpɝː.pəl ˈem.pər.ər/
"purple emperor" picture

Noun

1.

a large European butterfly (Apatura iris) of which the male has iridescent purple wings.

Example:
The rare purple emperor butterfly is a magnificent sight in the summer.
Male purple emperors are known for their iridescent wings that change color in the light.
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