How to Get Rid of Green Horned Caterpillars | 台北市立動物園資訊網

HowtoGetRidofGreenHornedCaterpillars.Allittakesisonetypeofpesttoruinacrop.Tomatohornworms(Manducaquinquemaculata)are5-inchlong ...

All it takes is one type of pest to ruin a crop. Tomato hornworms (Manduca quinquemaculata) are 5-inch long green caterpillars with horn-like spines. They feed on the leaves, flowers and fruit, and are damaging to tomato, pepper, eggplant and potato plants in mid- to late-summer. In the home garden, a couple cultural habits usually can control greenhorn caterpillars so they cause little to no damage, and if desired, a natural pesticide can be administered.

Till the soil about 4 to 6 inches deep after the tomato plants die back. Then, till the soil again in spring before planting tomatoes. Tillage can kill up to 90 percent of the larvae over wintering in the soil, according to The Old Farmer’s Almanac.

Fill a bucket with soapy water made with dish ...