A tomato hornworm can grow up to 5 inches long and as fat as your index finger. They have V-shaped, yellowish-white markings ...
The Artstor website will be retired on Aug 1st. The Florida Entomologist Vol. 65, No. 4, Dec., 1982 Feeding on Non-Host Plants by the Tobacc... Feeding on Non-Host Plants by the Tobacco Hornworm ...