Reverdin's blue
Reverdin's blue is a small butterfly. The male is violet-blue on top with a white fringe, and the female is dark brown with orange spots. Underneath, both have black dots and tiny shiny blue-green spots.
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Fun facts
Ants look after its caterpillars, and the caterpillars give them a sweet drink in return.
It has two families a year, flying from May to August.
The caterpillar is pale green with orange-brown stripes and grows to about 2 centimetres.
It lives on flowery grassy places, from 200 to 1,500 metres above the sea.
It is named after Jacques-Louis Reverdin, a Swiss doctor who studied butterflies.
Most asked questions about Reverdin's blue
?What do Reverdin's blue caterpillars eat?
Pea family plants like clover, vetch and alfalfa.
?Why are ants friends with blue butterfly caterpillars?
The ants guard the caterpillars, and the caterpillars give the ants a sweet drink.
For bug experts
- Scientific name
- Plebejus argyrognomon
- Group
- Butterflies
- Family
- Lycaenidae
- Classification
- Insecta > Lepidoptera > Lycaenidae
- Lives on
- Europe, Asia
Where the facts come from
- Plebejus argyrognomon (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 Rosenzweig. CC BY-SA 3.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.
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