Tomato Hornworm Life Cycle at Life

Tomato Hornworm Life Cycle. They’re commonly called sphinx or hummingbird moths. Both have complete metamorphosis, progressing from egg to larva to pupa to adult.

There is one generation per year in northern areas. The female tomato hornworm moths deposit small light green eggs on the leaves. Life cycle of the hornworm.

Hornworms Science Literacy and Outreach Nebraska

The life cycle of tobacco hornworms is like that of butterflies. Tomato hornworms survive winters as pupae and emerge as adult moths in spring. Tomato hornworms are some of the largest caterpillars seen in common gardens, and the adults are large moths with a wingspan around 5 inches. Lower temperatures may extend the development time to 39 to 48 days.