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1 • <br /> 1 <br /> In graphic form, this process would look like this: <br /> 1 <br /> Control Measures Applied <br /> AESTHETIC /FUNCTIONAL <br /> THRESHOLD 1111111111111111111111111i 111111111111111111111111 ►►►►►►►►►►►►►►►► <br /> ACTION THRESHOLD <br /> INFESTATION LEVEL <br /> Another common scenario, however, could be represented as follows: <br /> AESTHETIC/FUNCTIONAL <br /> THRESHOLD ►►►►►►►►►►►►►►►►►►►►►►►►►► ►►►►11111111(111►►►►►►►►►►►►►►► <br /> ACTION THRESHOLD <br /> INFESTATION LEVEL <br /> In this case, thresholds have been established and pest or problem <br /> vegetation levels monitored, but the action threshold is never reached. <br /> Treatment, therefore, is not needed. Such a case is far more common than <br /> many who have practiced routine, comprehensive cover sprays in the past <br /> might believe. <br /> 14 <br />