Tobacco Hornworm also called Goliath Worm As adult known as Carolina sphinx moth Manduca sexta Family - Sphingidae Adult, Caterpillars and Pupae Home     Butterflies and Moths      Details    Male Manduca secta emerged 7 May 2017 six orange spots on each side   Tobacco Hornworm on gas station sign 2016 Photographed by Jack Binch Tobacco Hornworm has seven white diagonal stripes with black borders and red horn Red Horn at rear of caterpillar Thoracic legs, mandibles (jaws) and Ocelli (eyes) Hooks at bottom of prolegs In this photo you can see the darker green  aorta line down the center of the dorsal side. The pulsing line appears when the  caterpillar is ready to bury itself in soil and pupate  Caterpillar burrowing into soil, sand and wood shavings where it will pupate They are ready to begin the pupation process when the aorta line becomes visible. Female Pupa - 58 mm long Slit at fourth segment from wing case indicates Female   Male Male  - No slit at fourth segment from wingcase   Photos Adult Moth, Sandy City, Salt Lake County, Utah, USA.  Located and photographed by  @Jack Binch Carol Davis gave me two of these caterpillars that came from her neighbor's garden in Taylorsville, Salt Lake County, Utah, USA. ©Nicky Davis Photo of caterpillar showing white lines bordered by black indicating Manduca sexta Photo of red horn indicating Tobacco Hornworm - Manduca sexta Photo shows mandibles, eyes and thoracic legs Photo shows  abdominal prolegs Photo shows the darker green aorta line down the center of the dorsal side which indicates the caterpillar is ready to burrow into the soil so it can pupate there. Photo shows caterpillar burrowing into soil, sand and wood shaving to pupate. It took the caterpillars about five days to make the change into pupae. Photo of  female pupa Photo of female pupa fourth segment from wing case showing a slit indicating a female Photo of male pupa Photo of male pupa fourth segment from wing case showing no slit indicating a male.