lace bug on azaleas
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Yes, there are a number of systemic insecticides available in Washington for azaleas. Assuming that you are treating for the azalea lace bug, here is a good description of your options with useful information to minimize harm to pollinators and beneficial insects as well. http://pep.wsu.edu/hortsense/scripts/query/displayProblem.asp?tableName=plant&problemID=782&category...
Please let me know if you have any further questions.