The Q&A Archives: Squash Pest

Question: My summer squash was in good condition and overnight it wilted and was dead. When I lifted the plant it appeared to have been cut off under the soil. I had three plants and only one was affected. Do you have a suggestion as to what might have happened and what I might do to prevent it in the future?

Answer: Sounds as though squash vine borer larvae made a meal of your squash plant. The adults can cause problems when they feed on squash vines, but they also lay eggs near the base of the stem of the plant. When the eggs hatch, the larvae feed voraciously. Remove the affected plant and destroy it. Inspect the soil in the root area, handpick any grubs and clusters of eggs. Next year plant your squash in a different area of the garden.

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