Image Number: 1402127

Tobacco and tomato hornworms [Manduca sexta (Linnaeus), Manduca quinquemaculata (Hawthorn)]: These two species, usually referred to collectively as "hornworms," are potentially the most destructive insect pests of tobacco. Newly hatched larvae are ¼ inch long, pale green with a large horn at the posterior end. Larger larvae (up to 3 or 4 inches) are bright green in color. Tobacco hornworm larvae have seven white diagonal stripes on each side and a curved red horn. Tomato hornworms have eight white V-shaped marks on each side and the horn is straighter and blue-black. Small larvae chew small irregular holes in leaves. Larger larvae more often feed on leaf margins and may leave only the midribs of leaves.
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Image location:
United States


Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Lepidoptera
Superfamily: Bombycoidea
Family: Sphingidae
Subfamily: Sphinginae
Tribe: Sphingini
Genus: Manduca
Subject: Manduca sexta (Linnaeus)


Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Solanales
Family: Solanaceae
Genus: Nicotiana
Subject: Nicotiana tabacum (flue-cured type) L.
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Image uploaded:
Sunday, March 10, 2002
Image last updated:
Tuesday, February 8, 2011