Whats this on my Dolomedes?

[Crysta]

Hey..I was wondering what is this on my Dolomedes Tenebrosus , when I first had her she dident have this on her, so i'm just wondering. She seems fine, her 3rd egg sack should hatch this week hopefully... here is a picture, i couldent really get a clear one, sense she enjoys to move around alote...

Crysta

 

[Peter_Parker]

hmmmmmmmmm...interesting.....

Hmmm, could you describe the object? Is it like a caterpillar or worm, or just a mark?

 

[NRF]

Try to take many photos if you have a digital camera. One has to be clear. I can´t even see the spider.