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<p>Herbivore-induced plant volatiles (HIPVs) are specific volatile organic compounds (VOCs) that are produced by plants in response to herbivory and play a significant role in mediating tritrophic interactions, particularly for herbivore defense and the attraction of natural enemies. Herbivory in plants triggers different pathways such as the mevalonic acid pathway, isoprenoid pathway and octadecanoid pathway, to produce terpenoids, green leaf volatiles, etc., that offer protection to the plants. The release of HIPVs by plants into the atmosphere is always accompanied by a multitude of interactions under field conditions, viz<i>.</i> attraction of conspecific larvae or moths, which increase infestation in the field, repulsion of conspecific individuals and other species that avoid intraspecific/interspecific competition, attraction of natural enemies through which emitting plants benefit, defense priming through which adjacent plants are also alerted (through associational resistance), etc.</p><p>Among herbivorous insects, lepidopteran pests pose a serious threat to agricultural ecosystems. They are responsible for huge yield losses in several crops. Some of the lepidopterans are polyphagous in nature and cause havoc to an array of crops. Currently, these pests are managed with the help of insecticides that pose serious health hazards to the end users, who consume. At this juncture, alternate strategies especially non-chemical approaches that pose less risk to non-target organisms as well as environment are the need of the hour. This review synthesizes current knowledge on the biosynthesis, emission, and ecological functions of HIPVs, focusing specifically on their role in lepidopteran pest interactions. The chemical diversity of HIPVs and their potential effects on lepidopteran behavior, including host location, oviposition, and foraging, are also discussed. Furthermore, the role of HIPVs in shaping plant–insect interactions and utilizing them for ecologically feasible pest management approaches is described.</p>

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Deciphering the role of herbivore-induced plant volatiles (HIPVs) in lepidopteran insects

  • 期刊论文

  • 发表日期：

    2025年9月11日

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  • A. R. Ramya,
  • Srinivasan Thulasy,
  • Murugan Marimuthu,
  • T. Elaiyabharathi,
  • Vellaikumar Sampathrajan,
  • D. Uma,
  • Durga Bhosle

摘要

Herbivore-induced plant volatiles (HIPVs) are specific volatile organic compounds (VOCs) that are produced by plants in response to herbivory and play a significant role in mediating tritrophic interactions, particularly for herbivore defense and the attraction of natural enemies. Herbivory in plants triggers different pathways such as the mevalonic acid pathway, isoprenoid pathway and octadecanoid pathway, to produce terpenoids, green leaf volatiles, etc., that offer protection to the plants. The release of HIPVs by plants into the atmosphere is always accompanied by a multitude of interactions under field conditions, viz. attraction of conspecific larvae or moths, which increase infestation in the field, repulsion of conspecific individuals and other species that avoid intraspecific/interspecific competition, attraction of natural enemies through which emitting plants benefit, defense priming through which adjacent plants are also alerted (through associational resistance), etc.

Among herbivorous insects, lepidopteran pests pose a serious threat to agricultural ecosystems. They are responsible for huge yield losses in several crops. Some of the lepidopterans are polyphagous in nature and cause havoc to an array of crops. Currently, these pests are managed with the help of insecticides that pose serious health hazards to the end users, who consume. At this juncture, alternate strategies especially non-chemical approaches that pose less risk to non-target organisms as well as environment are the need of the hour. This review synthesizes current knowledge on the biosynthesis, emission, and ecological functions of HIPVs, focusing specifically on their role in lepidopteran pest interactions. The chemical diversity of HIPVs and their potential effects on lepidopteran behavior, including host location, oviposition, and foraging, are also discussed. Furthermore, the role of HIPVs in shaping plant–insect interactions and utilizing them for ecologically feasible pest management approaches is described.