Milt, I think you should treat for mites. Just this week, I saw a few deformed bees just like last year when I had a big problem with mites, and sure enough, one of the hives I went through had lots of mites, with many of the newly emerged workers with deformed wings. Actually, I see this as a good chance for productive culling, as only a small percentage of my hives have mites. As to the bees not bringing in much pollen, have you checked for brood? Often a queenless hive will bring in less pollen than it's neighbor. Regards.