Larvae The larvae of Lepidoptera are usually eruciform,with a well-developed head and a cylindrical body of 13 segments (3 thoracic and 10 abdominal). ■ A caterpillar is the larval form of a lepidopteran ■ Caterpillars have long segmented bodies and many sets of "legs".They eat leaves voraciously,grow rapidly,shed their skins generally four or five times, and eventually pupate into an adult form.◼ The larvae of Lepidoptera are usually eruciform, with a well-developed head and a cylindrical body of 13 segments (3 thoracic and 10 abdominal). ◼ A caterpillaris the larval form of a lepidopteran ◼ Caterpillars have long segmented bodies and many sets of "legs". They eat leaves voraciously, grow rapidly, shed their skins generally four or five times, and eventually pupate into an adult form. Larvae