Good ole chiggers.[:@]

I just got over some of them myself. I'm pretty sure they were chiggers. I could actually see them attached to the skin. Tweezers usually do the trick for removing them. Nothing else you can really do after they have bitten you. Gotta love how they like to bite under skin tight clothing.

I've put clear finger nail polish on the bumps and that seems to help.

Good luck!