Might be scales

Sometimes alcohol will kill them

Mealy Bugs?

Here is a link that might be useful: These?

That looks like white fly to me. If you rub off the fluffy white stuff does it make your finders feel sticky? If so then it's most likely White Fly and the easiest way to remove them is to spray with water from the hose. It doesn't kill them but it does force them off your plants and then they will move on down the road! There are also lots of soaps and other nastier stuff you can use.

Here is a link that might be useful: White fly picture

I also think it looks like white flies.

I had white flies on one leaf of my super cayenne. I just removed the entire leaf since it was getting old anyways. Haven't seen any since.

I checked them out again and I think it may be the white flies because when I checked and shook the plants, a bunch of flying white bugs came flying off of them. Thanks a bunch!