They looked much like the ones pictured on the right. They were crawling around my foundation, hiding in my wood pile, and even heading up the side of the house. I grabbed my Malathion and sprayed around the outside of house. Bad move. The next morning they were holding a convention inside my house and were clearly agitated.
After spending a bit of time on the internet to "pick the target, freeze it, personalize it, and polarize it" (thanks to Saul Alinsky for the help), I settled on the cure.
Enter stage left:
Ortho Home Defense MAX
Now the only ones I see are toes up and registering room temperature. Thanks Ortho!