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Tomato Hornworm

Two species damage tomato. General color is green with white diagonal lines on its side. Prominent horn on rear gives name to the group. Larvae measure up to 4 inches long.

Damage is done by larvae eating foliage and sometimes fruit on eggplant, pepper, and tomato.
It passes the winter as a pupa, which gives rise to the hawk moth during late spring. Incubation period of eggs is about a week; larvae feed about 4 weeks. Pupal stage lasts about 3 weeks, except for the overwintering generation.

Source: The Entomology Department of Clemson University

Links:

  • Hornworms and Hummingbird Moths © Colorado State University Cooperative Extension
  • Tomato Hornworm Colorado State University Cooperative Extension
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