Hyles gallii, commonly known as the tobacco hornworm, is a species of moth belonging to the family Sphingidae. This moth is primarily found in North America and is recognized for its striking appearance, featuring a greenish body with white and black markings. The adult moth has a wingspan of about 3 to 4 inches and is known for its rapid flight. The larvae of Hyles gallii are often found feeding on plants in the nightshade family, including tobacco and tomato. These caterpillars are large and can be quite colorful, often resembling the appearance of a horned caterpillar. They play a role in the ecosystem as both pollinators and as a food source for various predators.