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Although it is harmless to people, the tomato hornworm is a well-known pest of garden produce. The worm is distinguished by having a horn on its back, which gives it a commanding appearance. The five-spotted hawk moth’s caterpillar is the tomato hornworm. Tobacco hornworms feature a red horn and diagonal white lines, whereas tomato hornworms have yellow or white V-shaped patterns. The patterns on the bodies of these caterpillars are a crucial factor in identifying them. Sometimes people confuse tomato hornworms with the related tobacco hornworms ( Manduca sexta). 4 How to Prevent Tomato Hornworm in Your Gardenīefore exploring the tomato hornworm life cycle, let’s first briefly learn more about those creatures.2 4 Stages of Tomato Hornworm Life Cycle.
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