The next stage occurs in the next 18-21 days after hatching during this stage, the small worm begins to shed layers of skin and multiplies. The eggs hatch within a week or a minimum of five days of being laid, and a tiny green worm appears. The laying of the egg stage is known as the first instar stage. Learn also How to Save a Dying Dogwood Plant Still, they are most active in tomato plants. This reproduction usually occurs on the undersides of leaves belonging to their choice of plant-often plants in the Solanaceae (nightshade) family, which includes tomatoes and others. The tomato hornworm life cycle begins as the overwintering adults move out of the soil.ĭuring the late season of spring, giant adult moths come out from within the soil and lay spherical eggs which are whitish to light green in color.

These tomato hornworms are simply pests that undergo four stages during their life cycle before forming into what you call the tomato worm: Eggs, Larvae, Pupae, and Adult. Now you are asking where do tomato worms come from?

Using Insecticide to Control Tomato Hornwormsīefore you find out how to get rid of tomato hornworms, it is essential to learn where they come from and how they grow, so you know how they grow, what to look for and how to tackle them.

Interplanting with Beneficial Companions.

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