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Will B.t.k. kill the monarch and swallowtail butterflies?

April 26, 2017butterflies kill Monarch swallowtail will b.

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Will B.t.k. kill the monarch and swallowtail butterflies?

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B.t.k. will not kill adult butterflies, bees, ladybugs, native pollinators, or other beneficial insects. It only kills young caterpillars due to their susceptible digestive system. Unfortunately, some non-target species of moths and butterflies that are in the caterpillar stage during the treatment will be killed. These native species will quickly move back into the neighborhood from the surrounding area. There will be no long-term effects.