also called Goliath Worm
As adult known as Carolina sphinx moth
Family - Sphingidae
Adult, Caterpillars and Pupae
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
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
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
Male - No slit at fourth segment from wingcase
Adult Moth, Sandy City, Salt Lake County, Utah,
USA. Located and photographed by
Carol Davis gave me two of these caterpillars
that came from her neighbor's garden in
Taylorsville, Salt Lake County, Utah, USA.
Photo of caterpillar showing white lines
bordered by black indicating Manduca sexta
Photo of red horn indicating Tobacco Hornworm -
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 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.