Having had one, it sounds like a BR bite to me, as well. They put my arm in a sling to keep from working the poison (which is a necrotic) into my muscles.
Aunt Lissa's picnic-firewowrks thing is tomorrow at 6PM. Menu is hot dogs and brats. It is a pitch-in. Since a lot of us are on diets, you might want to bring chips and brownies for the kids. Call me if you have questions. (Bring the kid's little lawn chairs for fireworks viewing.)