Humpbacked orbweaver
Eustala anastera
The humpbacked orbweaver is a small spider that spins round wheel-shaped webs. Its colour changes a lot from spider to spider, from tan brown to bright green. Many have a leaf-like pattern on their back that helps them hide.
Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
North and Central America
Length
0.9 to 1 cm (0.37 to 0.39 in)
What does it eat?
It eats small flying insects that get stuck in its round web.
How big is it?
How long is it?
💅small enough to sit on your fingernail🍚as long as 1.5 grains of rice in a row🍽️could run across a dinner table in 3 seconds⚡moves 33 times its own body length every second
How big is Humpbacked orbweaver compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
A tortoise about 0.3 km/h (0.19 mph)
Humpbacked orbweaver about 1.2 km/h (0.75 mph)
A person walking about 5 km/h (3.1 mph)
A kid running fast about 13 km/h (8.1 mph)
cool stuff
Fun facts
1
The girls grow to about 1 centimetre long and the boys are just a little smaller.
2
Its legs are covered in short spines, which are easiest to see on the boys.
3
Some have a dark line down the middle of the body.
you asked
Most asked questions about Humpbacked orbweaver
?What is an orbweaver?
A spider that spins a round web shaped like a wheel, with lines going out from the middle.
For bug experts
- Scientific name
- Eustala anastera
- Named by
- Walckenaer, 1841
- Group
- Spiders
- Family
- Araneidae
- Classification
- Arachnida > Araneae > Araneidae
- Lives on
- North America
Where the facts come from
- Eustala anastera (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 Smithsonian Environmental Research Center. CC BY 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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