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How to kill aphids, but not lacewings
I have a 22′ geodesic dome greenhouse with many green lacewings that have emerged and seem to be recycling on their own for the past 6 months.
My question; how do I kill aphids without harming my beneficial insects. Will diatomaceous earth kill beneficial insects? I still have a very uncontrollable aphid infestation yet have released lacewing larva by the 1000’s.
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