Spider mites and other mites
covered with such webs in which the mites live. The webbing and spotting on the leaves affect the appearance of the crop. This is of particular concern in ornamental [...] occur on the underside of leaves where they pierce the cells and suck out the contents. The empty dead cells become yellow, and in many plants the damage [...] urticae , is by far the most important species in greenhouses and many outdoor crops. Spider mite damage Larvae, nymphs and adults cause damage to the host