Vegetables of the Brassica group are the most commonly grown and consumed worldwide. Food
plants with apparent cancer and cardiovascular di sease-preventing properties include several
varieties of Brassica oleraceae. The majority of the herbivorous insect species are specialized
feeders, for which the behavioral decision to accept a plant as food or oviposition substrate is
mainly related with sensory information. Pieris insects (Lepidoptera: Pieridae) are specialist
herbivores of cruciferous plants