How long has this been going on?Have you flea bombed the house?
Are the bites on you around your ankles?Do they look anything like these:http://www.dogbreedinfo.com/images21/CanineLiceMalteseGrooming4.jpg
I think about two weeks maybe three on the outside, I've seen fleas on dogs and cats fbefore. So, no they do not look like the images, they leave residue on the skin, small black no brown, no bites at our ankles, I have a bite on my waist and one on my foot. I have seen them up close. I can't find their image online. Fleas, ticks, mites and lice are not quite right for images.
Could they be something they're picking up outside and bringing in?Do they look anything like this:
Hmmm....that is very strange.
Unfortunately, every state has different bugs, so the best person to ask about would be your normal vet, or even a groomer in your area. They've seen pretty much every bug out there and probably will be able to determine what your dog is picking up.
I wish I were able to tell you for sure what it is, but I'd start with asking one of the people in your area.