Phidippus audax
(Bold Jumper)

Picture ID 64250

Comments & ID Thoughts

I think this is a female bold jumper. She's missing her left front leg and I'm curious about the orange spot on her chelicerae.

Submitted by:
adele
Submitted: Jun 5, 2019
Photographed: Jun 3, 2019
Spider: Phidippus audax (Bold Jumper)
Location: Orwell, Ohio, United States
Spotted Outdoors: Man-made structure (building wall, fences, etc.)
Found in web?: No
Attributes: Eyes

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CalumEwing

June 6, 2019 9:44 am

The chelicerae have thick hairs that refract light much like a prism. The orange spot is due to the particular angle that the hairs in that area are at relative to the camera and they are refracting light in a different part of the spectrum – a different point in the rainbow, do look orange instead of the usual green.

Adele

Photo Owner

Reply to CalumEwing

June 6, 2019 9:47 am

Thanks for the response! That spot looks orange from every angle and in one photo it looked like maybe there is a scar there. I thought maybe it was from a past injury.