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Sticker of Long-horned orbweaver
Bug card No. 2670 of 4,939

Long-horned orbweaver

Macracantha arcuata
Name means: “big spine”
Eats: Other bugs and small animalsSpidersRainforests and jungles8 legsNot an insect, but a bug cousin

The long-horned orbweaver is a spider that looks like it is wearing a pair of giant curved horns. The female has a hard, shell-like back with two very long spines that bend towards each other. Her back can be yellow, red, white or black.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
From India and China through Southeast Asia to Indonesia, in rainforests
Top speed
about 1.2 km/h (0.75 mph)
On foot, estimate
What does it eat?
It catches small flying insects in its big round web.
For real!Photo of Long-horned orbweaver
Picture by Rushen. CC BY-SA 2.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Each of the two long spines can be about three times as long as the spider's back is wide.

2

The male is tiny, only about 1.5 millimetres long, and has short, stubby spines instead of long horns.

3

The female builds a round web that can be more than one metre wide, decorated with little white beads of silk.

4

The female often sits under a leaf next to her web instead of in the middle of it.

5

It needs old, untouched rainforest to live in.

you asked

Most asked questions about Long-horned orbweaver

?Why does the long-horned orbweaver have horns?

Only the female has the long curved spines on her back. Her name even means big spine.

For bug experts

Scientific name
Macracantha arcuata
Group
Spiders
Family
Araneidae
Classification
Arachnida > Araneae > Araneidae
Lives on
Asia

Where the facts come from

  1. Macracantha (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 Rushen. CC BY-SA 2.0, 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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More from the same group: Spiders

Also at home here: Rainforests and jungles

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