If you try to touch one of the bigger ones, does it spring away like it’s vanishing into thin air? They could be springtails if they are not thrips. Springtails sometimes eat pollen (they went nuts for my avocado pollen this spring), and are beneficial, or at least not pests. They mostly eat fungi and decaying stuff when they aren’t having pollen feasts.
Here’s the species of springtail I had on my flowers this spring, but others may look different: