For the past 3 or 4 weeks these small bug like bites have been showing up on my body mainly my arms and legs, although there have been a few on my neck , and back. they are small hard bumps warm to the touch, and very itchty..... but some of then look more like a misquito bite, and are softer, and most of them have had a small pinkish circle around the bite.... no other symptoms at all, I have che