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Sticker of Green dragontail butterfly
Bug card No. 2061 of 4,939

Green dragontail butterfly

Lamproptera meges
Eats: Nectar and pollenButterfliesRainforests and jungles6 legs

The green dragontail is a tiny swallowtail butterfly with a huge tail. Its black and white wings have pale green bands and see-through windows like glass. It zips around like a little dragonfly.

Lives in
Northeast India, southern China and Southeast Asia, near forest streams
Wingspan
4 to 5.5 cm (1.6 to 2.2 in)
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting people, so you can watch it up close.
What does it eat?
The butterflies feed at flowers and drink water. The caterpillars eat the leaves of Illigera vines.
For real!Photo of Green dragontail butterfly
Picture by (c) Cheongweei Gan, some rights reserved (CC BY-SA). CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Green dragontail butterfly wings about 5.5 cm tip to tip (2.2 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
wings as wide as 1.5 toy building brickscould fly across a whole football pitch in 27 seconds

How big is Green dragontail butterfly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its two tails are 25 to 40 millimetres long, almost as long as its wings are wide.

2

It beats its wings very fast and darts back and forth, using its long tails to steer like rudders.

3

Males drink lots of water, keep the minerals and squirt the extra water out of their back end.

4

It is one of the smallest swallowtails in India.

5

It almost always stays near streams, in sunny gaps of the forest.

you asked

Most asked questions about Green dragontail butterfly

?Why is it called the green dragontail?

Because it has pale green bands and long tails, and it flies like a dragonfly.

?How big is the green dragontail?

Its wingspan is about 40 to 55 millimetres, and its tails add another 25 to 40 millimetres.

For bug experts

Scientific name
Lamproptera meges
Group
Butterflies
Family
Papilionidae
Classification
Insecta > Lepidoptera > Papilionidae
Lives on
Asia
Also known as
Green dragontail

Where the facts come from

  1. Lamproptera meges (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by (c) Cheongweei Gan, some rights reserved (CC BY-SA). CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this 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.

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Also at home here: Rainforests and jungles

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