11. Eyespots are a type of automimicry used by some lepidopterans . 12. The venom is a calcium channel blocker, specifically inhibiting lepidopteran insects. 13. Lepidopterans feeding on this species is suspected during the mid-Tertiary.14. Only a few birds, such as the nightjars, hunt nocturnal lepidopterans . 15. The larvae of sawflies are easily mistaken for lepidopteran larvae ( caterpillars ). 16. Some annonins are used as the active ingredients in insecticides against lepidopteran pests. 17. These include weevils, mole crickets, and lepidopterans . 18. Lepidopteran larvae often require specific species of food plants.19. The chief characteristics used to classify lepidopteran species, genera and families are: 20. Antennal movements in lepidopterans were originally hypothesized to aid in wind or gravity perception.