Tree Pest & Disease Melbourne – Treespan offers Integrated Tree Pest & Disease Management as a method for managing tree health by combining appropriate preventive and control tactics into a single management strategy. The goal in tree pest & disease management Melbourne is to manage pests and their damage to tolerable levels. Pest eradication is usually not necessary unless we are dealing with highly infectious or damaging pests and certain exotic organisms. Typically, our tree health care focuses on pest prevention and suppression rather than eradication.
Tree Pest & Disease Melbourne – Elm Leaf Beetle
The elm leaf beetle was first discovered in Melbourne on the Mornington Peninsula in 1989 and quickly spread to the inner city suburb of East Melbourne. By 1994, the elm leaf beetle had established itself throughout the eastern suburbs of Melbourne. Yellow and dark brown adult beetles are evident from mid-October and create a series of small holes in leaves during October and November.
Beetle larvae, also yellow and dark brown, then destroy all but the veins of leaves, creating a ‘skeleton’ effect. The larvae descend the trunk during December and are visible on the ground below the tree. There may be up to three life cycles of the beetle in a single season, depending on the weather conditions.
Trees affected by elm leaf beetles can become defoliated by mid-summer, so there is no summer shade or autumn colours, and reduced energy reserves for next year’s growth. Repeated infestations and defoliation seriously weaken trees. Total eradication of elm leaf beetle is extremely difficult. The main aim is to maintain elm leaf beetle numbers and damage to an acceptable level.
Give us a call to discuss Tree Pest & Disease in Melbourne to ensure your trees are in good health.
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