Black lace-weaver
The black lace-weaver is a dark spider with a pale yellow pattern on its round back that looks a bit like a little skull. It hides in dark, damp cracks in walls, cellars and under stones. At night it spins a woolly, bluish web that looks like fine lace.
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Fun facts
Its web silk is woolly and extra sticky because it is made of super thin threads. New webs have a faint blue colour.
The mother guards her round, white egg sac until the babies hatch. One sac can hold 60 to 180 eggs.
The spiderlings live together with their mother for a while before they move out.
A male visiting a female spins special threads on her web to tell her he is there.
Females can live for two years, but males live only a few months.
Most asked questions about Black lace-weaver
?Why is it called a lace-weaver?
Its fresh web is woolly, very sticky and looks like delicate blue lace.
?How big is a black lace-weaver?
Females are about 11 to 16 millimetres long, and males are a bit smaller, about 8 to 10 millimetres.
For bug experts
- Scientific name
- Amaurobius ferox
- Group
- Spiders
- Family
- Amaurobiidae
- Classification
- Arachnida > Araneae > Amaurobiidae
- Lives on
- Europe, North America, Asia
Where the facts come from
- Amaurobius ferox (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 AJC ajcann.wordpress.com from UK. CC BY-SA 2.0, 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.
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