Definition

Noun 1. A species of moth (Manduca sexta): A moth belonging to the family Sphingidae (hawkmoths). Its larval stage is commonly known as the tobacco hornworm. 2. The larval form of this moth: A large, green caterpillar with white diagonal stripes and a distinctive "horn" on its rear end. It is a significant agricultural pest that feeds primarily on plants in the nightshade family, such as tobacco and tomato.

Examples

• Noun (referring to the moth):

  • The Manduca sexta is a nocturnal hawkmoth found throughout the Americas.
  • Researchers study the flight mechanics of Manduca sexta.

• Noun (referring to the larva):

  • The gardener found a Manduca sexta eating the leaves of his tobacco plants.
  • Manduca sexta is often used as a model organism in biological laboratories.

Advanced Usage

• Scientific Context: The name follows binomial nomenclature, where is the genus and is the specific epithet. It is frequently referenced in entomology, physiology, and neurobiology research.
• Agricultural Context: The term is used in integrated pest management (IPM) discussions to identify the specific pest, distinguishing it from the similar tomato hornworm ().

Variants and Related Words

• Tobacco hornworm: The common name for the larval stage of .
• Carolina sphinx moth: A common name for the adult moth.
• Hawkmoth / Sphinx moth: The common family name (Sphingidae) to which this species belongs.
• Hornworm: A general term for the larval stage of hawkmoths, which includes .

Synonyms

• For the larva: Tobacco hornworm, tobacco worm.
• For the adult moth: Carolina sphinx moth.

Related Phrases

• Host plant: A plant, such as tobacco or tomato, on which feeds and develops.
• Model organism: An organism used extensively in scientific research to understand biological processes; serves this role in insect physiology.

Noun

1. moth whose larvae are tobacco hornworms
2. large green white-striped hawkmoth larva that feeds on tobacco and related plants; similar to tomato hornworm