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Tomato Hornworms: Big Bugs, Big Problems | Parkersburg News
Tomato hornworms are giant, green caterpillars with a serious appetite—up to four inches long and capable of devouring entire tomato plants overnight. They target nightshade crops like potatoes, peppers, and eggplants, overwinter as pupae in the soil, and emerge as five-inch hawk moths active at dawn and dusk. Spot them by their telltale droppings, then hand-pick and drown them in soapy water. For natural control, use BT or spinosad sprays, or welcome nature’s helpers: ladybugs, lacewings, and parasitic wasps that lay eggs inside the hornworms—those white projections? Leave them alone; the…
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