The D&S Methodology

Tree Surveys - conduct regularly tree surveys.

Identify - identify infested trees.

Label – labelled infested trees with a unique sequential no, this will be used for record keeping, reporting, application dates and monitoring.

Report - Report infected tree areas to client and authorities (See legal obligation & reporting).

Application - Apply P1 and/or P2 as per client requirements.

Monitor - ongoing monitoring of infested trees,


Preferred application method is to spray 2 x P1 and 1 x P2. This will be done over a period of 2 weeks. 1 Week in-between applications. A direct spry method is used.


Follow-up treatment with P2 is recommended yearly to control infestation.