San Jose Scale (Quadraspidiotus perniciosus)

The San Jose Scale (Quadraspidiotus perniciosus) was described in California during the year 1880. It affects more than 150 plant species, among them the stone fruit trees (cherry tree, almond, peach, apricot, plum, nectarine. ..) and nugget (pear, apple tree, quince). This plague of the cherry tree , is also known for caspilla or pernicious … Read moreSan Jose Scale (Quadraspidiotus perniciosus)


























