Bifurcate trashline orbweaver

The bifurcate trashline orbweaver is a small grey-green spider with a forked tail end shaped like the letter M. It builds a round web and makes a line of egg sacs and wrapped-up food in the middle. Then it sits in that line, where it looks just like one of its own egg sacs.

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Fun facts
Its web is round and about 15 to 20 centimetres across.
The females are much bigger than the males, 5 to 9 millimetres compared with only 2 to 3.
Males are so rarely found that in one study only 2 out of about 350 spiders were males.
Females have a red patch on their underside.
It is the only species in its whole genus.
Most asked questions about Bifurcate trashline orbweaver
?Why is it called a trashline spider?
Because it makes a line of egg sacs and wrapped-up food in its web and hides among them.
For bug experts
- Scientific name
- Allocyclosa bifurca
- Named by
- McCook, 1887
- Group
- Spiders
- Family
- Araneidae
- Classification
- Arachnida > Araneae > Araneidae
- Lives on
- North America
Where the facts come from
- Allocyclosa (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 Meghan Cassidy. 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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