BROWN RECLUSE & Deltamethrin*-caution* PHOTO

[KnoxvilleChick]

You could try dusting with DE. It can be a little irritating to the lungs if inhaled in large quantities, but other than that won't hurt your dogs.

http://www.motherearthnews.com/grow-it/diatomaceous-earth-DE-kill-spiders-control-zb0z12zalt.aspx