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Luxe Prestige Chronicle

tobacco hornworm moth

Author

Mia Lopez

Updated on July 13, 2026

The life cycle of tobacco hornworms is like that of butterflies. Both have complete metamorphosis, progressing from egg to larva to pupa to adult.

What does a tobacco hornworm turn into?

Manduca sexta, the tobacco hornworm, closely resembles its tomato preferring cousin, but shows seven diagonal white lines on its sides and a curved horn. Both caterpillars turn into large moths with four- to six-inch wingspans in colors ranging from brown and gold to pink and grey.

How long does it take a hornworm to turn into a moth?

Caterpillars hatch, begin to feed, and are full-grown in three to four weeks. The mature caterpillars drop off plants and burrow into the soil to transform into pupae. Moths emerge in two weeks to begin a second generation, during mid-summer. Second generation moths deposit eggs on host plants, such as tomato.

What are hornworms good for?

Hornworms are perfect for the fussy eater and are known to be the ‘magic trick’ to end a reptile’s hunger strike. Not only are they an enticing blue-green color but they are very high in water making them a great way to rehydrate your animal.

Can I keep a hornworm as a pet?

Hornworms are a great feeder insect for your pets. They’re nutritious, delicious, and easy to keep. Hornworms are the larvae stage of Carolina sphinx moth, also known as the tobacco hawk moth.

Do hornworm moths bite?

Hornworms can be up to 5 inches long—which can be quite a shock when you first come across one! They do the most damage in the caterpillar—or larval—stage. They are pale green with white and black markings, plus a horn-like protrusion stemming from their rear. (Don’t worry, they aren’t able to sting or bite!)

Are tobacco hornworms good?

Larvae feed by consuming the leaves of solanaceous plants, often stripping entire leaves to the midrib, defoliating the plants (Figure 9). Though considered a common garden pest, tobacco hornworm can cause significant economic damage to tobacco crops and occasionally tomato and potato crops.

Are tobacco hornworms harmful?

Tobacco hornworms, like tomato hornworms, grow to over 4 inches long and look fierce, but they cannot sting and are harmless to humans.

Do tobacco hornworms bite?

Gather hornworms by hand and dispose of them in the compost. Once they are removed from their host plants, hornworms quickly die. Hornworms cannot bite or sting.

Can you touch hornworms?

Scary-looking tomato hornworms may wriggle desperately when touched, but their “horns” pose no threat. They are merely an attempt at camouflage. But do be warned: Some caterpillars should not be touched.

How do you take care of a hornworm moth?

Maintain them at room temperature and expose them to a normal day/night cycle. The cage must have a vertical surface (cardboard, newspaper) that the moths can climb and cling to, or their wings will crumple as they unfold, and they will be unable to fly. Adult moths should emerge in 7 to 14 days.

Are hornworm caterpillars poisonous?

No, hornworms are not poisonous for humans. In fact, they are considered absolutely harmless when it comes to humans. You are most likely to find hornworms in your yards and gardens. They crawl on tomato plants very frequently.

Are hornworm moths beneficial?

These remarkable creatures with their long proboscises have an important role in pollinating deep-throated flowers. You’re most likely to see sphinx moths at dusk. Their speed and agility in flight is just amazing. With their quick wingbeats and plump bodies, it’s no wonder many mistake them for “baby” hummingbirds.

Should I remove hornworm?

If you ever see a tomato hornworm with what looks like grains of rice on its back, leave it alone. Those are the eggs of a predatory insect, the braconid wasp. This is a good guy, a beneficial insect, and if you kill the hornworm, you kill the wasp eggs and the wasp babies that will hatch and eat the worm.

Do wasps lay eggs on hornworms?

The female wasp uses her ovipositor to lay eggs just under the skin of an unlucky hornworm. As the eggs hatch, the larvae feed on the hornworm s viscera literally eating a hornworm alive. Larvae chew their way out through the host s skin when they mature.

What can I feed a hornworm?

Tomato and tobacco hornworms feed only on solanaceous plants (i.e., plants in the nightshade family), most typically tomato and less commonly eggplant, pepper and potato. These insects can also feed on solanaceous weeds such as horsenettle, jimsonweed and nightshade.

Do hornworms drink water?

Using a hornworm as food is a great idea because these insects are a highly nutritious supplement for your reptile. They are packed with moisture, which is great for any animals that may struggle with their water intake. They’re also a great snack for picky eaters and are incredibly easy to find and raise.

Can you release hornworm moths?

In order to protect our environment, never release a live laboratory organism into the wild. The tobacco hornworm is considered a pest and SHOULD NOT BE RELEASED. Always wash your hands after handling the tobacco hornworms. Tobacco hornworms are considered docile.