European red mite
small ridges running top to bottom, with a thin stalk on top. They look a bit like an onion. Adult females are about 0.4 mm long, brick red, and oval shaped [...] is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem [...] but moves to upper leaf surfaces when the lower side becomes crowded. Contrary to the two-spotted spider mite , Tetranychus urticae , it does not produce