Shrubs and tiny white bugs - what are they? I have a boxwood. When I smack it beside a...

I have a boxwood. When I smack it beside a stick, millions of tiny white winged insects come swarming out, afterwards almost immediately fly fund into the shrub.

The bugs are tiny - about the size of this comma on this page. They appear to be flat and triangular shaped.

Any perception what these are? How do I get rid of them?
I own multiple colonies of ants contained by...
Answers:    It sounds close to white fly. They attack the undersides of leaves and are notoriously difficult to control and catch rid of.

You might want to try a systemic insecticide, which works over time, and also see about fertilizing the boxwood and on a winning streak its health to assistance it fight bad the whiteflies sine they could be fatal to the shrub.