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Jumping Spider (juvinile)

Notes:

I thought it may have been a crab spider, but I researched it & I believe it was a jumping spider. Especially since I later spotted now a larger jumping spider living on my screened in balcony. Though I believe its now in my apartment. Thank you all so much for your insight.

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8 Comments

JuliusJamesPiercy
JuliusJamesPiercy 11 years ago

Thinking on the line of Kristal, I think I may have come across another candidate in a different Arachnid order: the Solifugidae (or Camel spiders, the one thing that can scare a soldier in Afghanistan or Iraq, ). And since there seems to be only one known species in Florida it would probably have to be Ammotrechella stimpsoni (http://bugguide.net/node/view/230551). However, despite them being prone to losing legs very easily they have 4 pairs again plus the chelipeds. Still a very fascinating order if you want to have a read, with a respiratory system reminiscent of the ancestral Insect linkage.

JamieDorton
JamieDorton 11 years ago

No scorpion tail, & I found it on my 2nd floor balcony. When I found it I found a pic of a scorpion spider & thought that was it, but today, the closest thing I could find was a crab spider. I have 20/10 vision & I counted 3 pairs besides the claw like apendages...I dont know though, Im originally from Maryland & Ive never seen anything like it. I really appreciate your insight... Thank you.

KristalWatrous
KristalWatrous 11 years ago

Did it have a tail like a scorpion? If so, I'd say juvenile scorpion. If not, there are small soil arthropods called pseudoscorpions which have the legs and pincers, but no stinging tail. Could be one of those.

JuliusJamesPiercy
JuliusJamesPiercy 11 years ago

Haha, I was going for 4 pairs of legs behind! Hence the call for a scorpion that has 4 pairs + chelipeds. Is there not a hint of fourth pair very close to the darker appendages? If not then we can rule out the scorpion and go for some sort of jumping spider more likely. I would definitely retain the idea of it being a juvenile since the body proportions seem rather diproportionate if it's a spider. This is a Brazilian species of jumping spider ( Breda jovialis) which has similar body shape and darker forelegs like in the photo.
http://www.findaspider.org.au/find/spide...

moralcoral
moralcoral 11 years ago

If you look at this post http://www.projectnoah.org/spottings/770... you can see the crab spider, its craws are two sets of legs and so only has two more sets on the ground, also has large abdomen. straining at this photo im sure i can see 3 sets of legs behind the large front two?

moralcoral
moralcoral 11 years ago

I agree with the J-Dawg! Who is actually my collegue and specialises in larval marine organisms, but like he said you saw it in real life, remember spiders and scorpions both have 8 legs also!

JuliusJamesPiercy
JuliusJamesPiercy 11 years ago

Are you sure that is a spider? The picture is a bit blurry but the two dark appendages at the front look like chaelopeds not pedipalps from the size and the number of joints, and the fact that there also seem to be 4 pairs of lighter colour legs behind the two darker appendages. At a first glance I would have said juvenile scorpion but you saw it in real life and can probably tell the difference so I'm sure this can't be the case.

Sharshora
Sharshora 11 years ago

So cute and tiny :)

JamieDorton
Spotted by
JamieDorton

Tampa, Florida

Spotted on May 2, 2011
Submitted on Nov 4, 2011

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