The tomato hornworm is green with eight, white āVā markings along its back, pointing toward the head. Larvae of both species have five pairs of prolegs (fleshy abdominal limbs of a caterpillar), are a cylindrical shape, and are 4 inches long at maturity. Additionally, tobacco is also targeted by tobacco hornworm. Host plants of both species include members of the Solanaceae family such as tomato, pepper, potato, eggplant, along with various nightshade flowering plants. Tomato and tobacco hornworms can both be found throughout Utah attacking host plants. Tomato hornworms are the larval stage of the fivespotted hawkmoth (Manduca quinquemaculata) and tobacco hornworms are the larval stage of the Carolina sphinx moth (Manduca sexta). Both are equivalent in size and appearance. Tomato and tobacco hornworms are closely related species that cause similar damage to the same host plants.
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