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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Jumping Spiders (Salticidae) » Phidippus » audax group (Phidippus audax group) » Bold Jumper (Phidippus audax)
Photo#377268
Bold Jumper - Phidippus audax - female
Copyright © 2010 Lynette Elliott

Bold Jumper - Phidippus audax - Female
Puyallup, Pierce County, Washington, USA
March 15, 2010
Size: around 20 mm
This is the largest Bold Jumper I've ever seen. It was eating a bold jumper that is about the size I'm used to seeing. Note the split white mark on the back. I wonder if that used to be one spot and split as the abdomen extended.

This is an outdoor population that lives on fences and retaining walls near a retention pond.
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Contributed by Lynette Elliott on 15 March, 2010 - 9:32pm
Last updated 25 May, 2010 - 8:40pm

Nice
Did you collect her? Maybe she'll produce an extra-large egg sac.

Sometimes an individual spider will go through an extra instar, and end up being larger than average as an adult (Morse mentions this in his book on Misumena vatia).
… John Sloan, 16 March, 2010 - 1:22am login or register to post comments

 
Nope
As usual it was just me & the camera. I need to order more vials.
… Lynette Elliott, 16 March, 2010 - 9:35am login or register to post comments

 
Wow!
I didn't even know there *were* bold jumpers up there. All I remember from childhood in Oregon was P. clarus. Is this species a fairly recent addition to the fauna there?
… Eric R. Eaton, 16 March, 2010 - 11:28am login or register to post comments

 
I'll have to ask Rod
They've been here since I've been here, but that hasn't been too long.
… Lynette Elliott, 16 March, 2010 - 5:43pm login or register to post comments

 
From Rod
In our state, P. audax (which first appeared in eastern WA in 1978, in
western WA around 1990) is mainly a house spider. It's quite a common
house spider in eastern WA cities but very spottily distributed on the
west side.
… Lynette Elliott, 25 May, 2010 - 8:39pm login or register to post comments

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