Depending on the species, the hornworm’s body may be white to yellow with no markings, or a beautiful, rich green with intricate designs decorating their sides. Hornworms include various species of caterpillars that can reach lengths of up to 4” long. In one year, there may be two generations to pass through one crop. For example, this insect is also known as a "tomato hornworm." As the name suggests, tomatoes are a common hornworm food, but these hefty bugs will also feed on other vegetables in the nightshade family, including eggplants, peppers and potatoes. Luckily, they have not reached the point of causing significant economic damage to crops across the country and are typically only a problem for hobbyists or small-space gardeners. While they are harmless to humans, hornworms are well-known pests throughout their native US.
Before you consider practicing hornworm care at home, you should know that the main species have two scientific names: Manduca quinquemaculata and Manduca sexta.
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