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Photo#723866
Cyclosa sp. - Cyclosa conica

Cyclosa sp. - Cyclosa conica
Oakland, Alameda County, California, USA
January 29, 2012
Size: 8 mm
From Joaquin Miller Park in The Meadow. This definitely is a Trashline Orbweaver. It just is not among BugGuide's images. Please help with an ID to species. Thanks.

Images of this individual: tag all
Cyclosa sp. - Cyclosa conica Cyclosa sp. - Cyclosa conica

Moved
Moved from Trashline Orbweavers. Based on range, pattern & no should humps I think this is the correct ID.

Moved
Moved from Cyclosa conica. Awaiting expert review. (I couldn't find any other that looked quite like it.)

Trashline Orbweaver
Moved from ID Request.

Eddie,
I'm going out on a limb with this one, but I reasonably sure of the ID. No worry, the spider ladies keep a close watch on their babies. If I'm wrong, they'll catch it like a jumper catches a hopper :) BTW thank you for your contribution.
Robert

That's Wild!
Eddie,
A spider mimicking a treehopper I've never seen before. One thing about bugz, you can never say you've seen it all. While I don't know spiders, I did find this Cyclosa conica, which looks like yours. A spider specialist will know. BTW welcome to BugGuide. You're off to a good start :)
Robert

 
Cyclosa sp.
Robert - It does look "something" like it. I also noted that there were only 5 species in BugGuide's range. C. conica looks most like it. Am I safe using this determination? Thanks for the encouragement, also. I read your biography and see that I am in good company. - E.

 
It's either ...
E,
This is either an eight-legged Glossonotus or a Cyclosa conica. I normally don't even attempt to ID spiders myself. It's enough just focusing on moths & leafhoppers, but I've taken a special interest in this spider. Mimicry generally protects the prey from the predator. So, what does mimicking a treehopper afford this spider, which is a predator by nature? As hoppers are the favorite food of jumpers, perhaps this spider mimics a planthopper, so it can sneak up on them? I think it would be a stroke of irony, if a jumping spider attacked it :)
Z

 
Hmm
Don't orb weavers sit and wait for prey to come to them instead of going out and stalking something?

 
orb-weaver
Correct. This orb-weaver is very likely sitting in a retreat area or has just been displaced from its web. This type of spider doesn't go out and stalk prey.

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