Japanese oakblue

The Japanese oakblue is a small butterfly from East Asia. Its wings are only about 2 to 3 centimetres across. Its caterpillars grow up on oak trees.

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Fun facts
It looks almost exactly like a close cousin from southern Asia, but it has no little tail on its back wings.
Its family of butterflies copes with cold better than its relatives. One butterfly collector caught dozens of them on chilly autumn mornings in Nagasaki, Japan.
There are two kinds of it, and one of them lives only on the island of Taiwan.
Most asked questions about Japanese oakblue
?Where does the Japanese oakblue live?
In East Asia: Japan, the Ryukyu Islands, Korea, Taiwan and Indochina.
?What does the Japanese oakblue eat?
Its caterpillars feed on oak trees and their close relatives.
For bug experts
- Scientific name
- Arhopala japonica
- Group
- Butterflies
- Family
- Lycaenidae
- Classification
- Insecta > Lepidoptera > Lycaenidae
- Lives on
- Asia
Where the facts come from
- Arhopala japonica (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 Alpsdake. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.
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