Unknown Mite on Brugmansia

Unknown Mite on Brugmansia

Observation - Unknown Mite on Brugmansia - UK and Ireland. Description: Brugmansia in unheated conservatory has these of these hard-'shelled' mite-like insects in large numbers along with an infestation of greenfly. Question is, is it a pest in itself or a predatory mite?

Brugmansia in unheated conservatory has these hard-'shelled' mite-like insects in large numbers along with an infestation of greenfly. Question is, is it a pest in itself or a predatory mite?