Gardener's Q&A
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Caterpillars on Crinum Lilies
By:jeremy
Is there an effective systemic insecticide for controlling spodoptera caterpillars on swamp lilies (crinum)? I am using pyrethrum sprays but the caterpillars keep coming back in droves and are causing horrific damage. I am thinking of using Rogor but am unsure of effectiveness. Am looking for a "wipeout" solution. Anyone?
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