Can u name this spider?

[Buggin]

Located in West Texas.

http://www.v8z.net/pics/redback.jpg

[crpy]

It appears to be a Cheiracanthium spp. maybe

[Buggin]

I think I found it.

"Castianeira occidens"

http://www.canadianarachnology.org/data/canada_spiders/images/habitus/Castianeira_occidens.jpg

[crpy]

Yep stupid me , I had sac spider on the brain. Casteniera are fast little dudes.