A permit is required to remove, cut down or in any other way injure a tree with a diameter of 30 cm (12 inches or the approximate thickness of a telephone pole) or more on private property. The tree diameter measurement must be taken at 1.4 m (4.5 feet or...
Scale insects are serious pests of tree fruits in Ontario. Numerous species exist in Ontario including the Oystershell scale Lepidosaphes ulmi (Linn.), Lecanium scale Lecanium sp., San Jose scale (SJS) Quadraspidiotus perniciosus (Comstock) and the European Fruit...