Bug Wiki
Sticker of Mirror spider
Bug card No. 0931 of 1,500

Mirror spider

Thwaitesia argentiopunctata
Eats: Other bugs and small animalsSpidersGardens and meadows8 legsNot an insect, but a bug cousin

The mirror spider looks like it is covered in tiny shiny mirrors. Its round body has silver patches that sparkle in cream, green, yellow and red. It has long, thin legs.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
All over Australia, most often in Queensland
Length
1.5 to 7 mm (0.06 to 0.28 in)
Top speed
about 1 km/h (0.62 mph)
On foot, estimate
What does it eat?
It eats small flying insects, especially mosquitoes, flies and gnats.
For real!Photo of Mirror spider
Picture by Poyt448 Peter Woodard. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Mirror spider about 7 mm long (0.28 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould run across a dinner table in 3.6 secondsmoves 40 times its own body length every second

How big is Mirror spider compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

Its shiny patches can get smaller or bigger when it feels threatened.

2

The mirror patches are made of a shiny material called guanine.

3

One mother spider usually has about 40 spiderlings.

4

It lives for about one year and likes to be on its own.

you asked

Most asked questions about Mirror spider

?What does a mirror spider eat?

Small insects like mosquitoes, flies and gnats.

?Why does the mirror spider shine?

Its body has patches made of guanine that reflect light like little mirrors.

For bug experts

Scientific name
Thwaitesia argentiopunctata
Group
Spiders
Family
Theridiidae
Classification
Arachnida > Araneae > Theridiidae
Lives on
Australia and Oceania
Also known as
Sequinned spider, Twin-peaked Thwaitesia

Where the facts come from

  1. Thwaitesia argentiopunctata (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 Poyt448 Peter Woodard. 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 [email protected] and we will fix it.

More from the same group: Spiders

Also at home here: Gardens and meadows