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Sticker of Red postman
Bug card No. 1125 of 1,500

Red postman

Heliconius erato
Eats: Nectar and pollenButterfliesRainforests and jungles6 legs

The red postman is a black butterfly with bright red patches on its wings, from the warm forests of the Americas. It tastes bad to birds, and its bright colours warn them to stay away. Because of this it lives a surprisingly long time for a butterfly.

Lives in
From southern Texas to northern Argentina, at the edges of tropical rainforests
Top speed
about 15 km/h (9.3 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to people. It only tastes bad to birds.
What does it eat?
Unlike most butterflies, the grown-up mostly eats pollen. It gathers a little ball of pollen on its tongue and soaks the goodness out. Its caterpillars eat passion flower vines.
For real!Photo of Red postman
Picture by Greg Hume. CC BY-SA 3.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Several different kinds of butterflies share the same red and black colours, so birds learn to avoid all of them.

2

It stays in a small home area and rarely flies to its neighbours' patch.

3

The mother lays her eggs on the very tip of a passion flower vine.

4

Girl butterflies carry bigger pollen loads than boys, because they need extra food to make eggs.

you asked

Most asked questions about Red postman

?Why is the red postman butterfly red?

Its bright red and black colours warn birds that it tastes bad.

?What does the red postman butterfly eat?

Grown-ups mostly eat pollen and a little nectar. The caterpillars eat passion flower vines.

?Where does the red postman live?

From southern Texas to northern Argentina, at the edges of rainforests.

For bug experts

Scientific name
Heliconius erato
Named by
Linnaeus, 1758
Group
Butterflies
Family
Nymphalidae
Classification
Insecta > Lepidoptera > Nymphalidae
Lives on
North America, South America
Also known as
Small postman, Red passion flower butterfly, Crimson-patched longwing

Where the facts come from

  1. Heliconius erato (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 Greg Hume. CC BY-SA 3.0, 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 hello@bugwiki.app and we will fix it.

More from the same group: Butterflies

Also at home here: Rainforests and jungles