For 5 months now, small red very itchy bumps, like mosquitos, but in clusters that pop up all during the day. Washed, sprayed, bombed home many times?

Hives?? If they occur on random parts all over your body, then it is likely hives. Have you seen your doctor during an acute episode? If not, take pictures and bring to your doctor for a firm diagnosis.
See below. These symptoms can only be adequately diagnosed only after a thorough evaluation by your doctor. This may include labs and other satudies. Once all of the information is in, your doctor can let you know what's going on, and what to do to help you.