Mazarine blue
The mazarine blue is a small butterfly of flowery meadows. The boy is a deep, velvety blue with a black edge and white fringes on his wings. The girl is brown. Underneath, both have grey wings with little black dots ringed in white.

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Fun facts
It lives as far north as the Arctic Circle and as far south as Morocco.
It used to live in Britain, but it disappeared there more than a hundred years ago.
It likes meadows that are not fertilised and can live in the mountains up to 2200 metres.
Its chrysalis is olive green and held onto the plant by a silk belt.
Unlike many other blue butterflies, it has no orange spots on its wings.
Most asked questions about Mazarine blue
?How big is the mazarine blue?
Its wings are about 3.2 to 3.8 centimetres from tip to tip.
?Why are boys and girls a different colour?
The boys are blue and the girls are brown. Many blue butterflies are like this.
?Where does the mazarine blue live?
In flowery meadows across Europe, North Africa and Asia.
For bug experts
- Scientific name
- Cyaniris semiargus
- Group
- Butterflies
- Family
- Lycaenidae
- Classification
- Insecta > Lepidoptera > Lycaenidae
- Lives on
- Europe, Africa, Asia
Where the facts come from
- Cyaniris semiargus (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Charles J. Sharp. CC BY-SA 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.
If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.