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Lesa from Spokane, Wa writes

Will Fertilome Tree and Shrub Systemic Insect Drench work on Aspen with poplar borers?

Answer:

The active ingredient Imidacloprid in Fertilome Tree and Shrub Systemic Insect Drench has not been shown to be effective in controlling this type of borer.  Monthly treatments with something like Permethrin SFR can help control adults and small larvae.  There are great articles here and here that might also help

Answer last updated on: 04/03/2017

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