Well the day finally came. I was out mowing before heading to work and stepped on a nest of something that likes to sting/bite. I think I escaped with only about a half dozen burning/throbbing welts.
Still not sure what they were though. Nest was clearly in the ground, they fly, it's a searing sting/bite, but didn't look anything like a yellow jacket. Looked smaller to me, blackish body and yellowish legs.