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Sticker of Black-tailed red sheetweaver
Bug card No. 0488 of 4,939

Black-tailed red sheetweaver

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

The black-tailed red sheetweaver is a tiny, bright red spider with a black bump at its tail end. It is only about as big as a grain of rice. You can find it in lawns and grassy fields.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
The south-eastern United States, Mexico and the West Indies, in lawns, grassland and fields
Length
3 to 4 mm (0.12 to 0.16 in)
females are a little bigger than males
Top speed
about 0.76 km/h (0.47 mph)
On foot, estimate
What does it eat?
It eats small flying insects that tumble into its web.
For real!Photo of Black-tailed red sheetweaver
Picture by xpda. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Black-tailed red sheetweaver about 4 mm long (0.16 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 4.7 secondsmoves 53 times its own body length every second

How big is Black-tailed red sheetweaver compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its web is a flat sheet that is not sticky, with a tangle of threads above it.

2

Flying insects bump into the tangle, fall onto the sheet, and the spider rushes out to grab them.

3

It is the only species in its genus.

4

It has eight eyes in two rows: two on top and six below.

you asked

Most asked questions about Black-tailed red sheetweaver

?How does the black-tailed red sheetweaver catch food?

Insects hit the threads above its web, drop onto the flat sheet below, and the spider catches them.

For bug experts

Scientific name
Florinda coccinea
Named by
O. Pickard-Cambridge, 1896
Group
Spiders
Family
Linyphiidae
Classification
Arachnida > Araneae > Linyphiidae
Lives on
North America
Also known as
Red grass spider

Where the facts come from

  1. Blacktailed red sheetweaver (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 xpda. 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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More from the same group: Spiders

Also at home here: Gardens and meadows

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