description Carolina sphinx moth Overview
The Carolina sphinx, Manduca sexta, is a large hawk moth in the family Sphingidae found in the Americas. Its larva is the tobacco hornworm, a green caterpillar with diagonal white markings and a curved posterior horn that feeds on plants in the nightshade family, including tobacco and tomato. The species is both an agricultural pest and a widely used laboratory organism in studies of insect neurobiology, physiology, development, and flight.
help Carolina sphinx moth FAQ
What is the scientific name of the Carolina sphinx moth?
The Carolina sphinx moth is Manduca sexta. Its larva is commonly called the tobacco hornworm.
What does the tobacco hornworm eat?
The caterpillar feeds on plants in the nightshade family, including tobacco, tomato, pepper, and related crops. Its green body, diagonal white markings, and curved rear horn make it easy to identify.
Does the Carolina sphinx moth pollinate flowers?
Yes. The adult moth is nocturnal and can visit flowers while feeding on nectar, making it a pollinator for some night-blooming plants.
Why is Manduca sexta important in science?
The tobacco hornworm has been widely used in laboratory research on insect physiology, development, and behavior. Its large size and clear life cycle make it practical for controlled study.
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