Biological control based on cross-trophic chemical communications: current status and implementation

2026-01-01

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Yang, Jun

Tang, Rui

Guo, Hao *

DOI：10.1127/entomologia/3525

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Abstract

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Natural enemies have demonstrated their efficacy as biological control agents. In recent decades, research has increasingly focused on elucidating the chemical ecology mechanisms that govern complex multitrophic interactions among plants, herbivorous insects, and their natural enemies. A diverse suite of semiochemicals, pivotal for host localization and recognition by these natural enemies, has been identified, presenting substantial opportunities for the development of innovative strategies in integrated pest management (IPM). Moreover, advances in molecular biology have progressively clarified the roles of chemosensory receptors in natural enemies, particularly parasitoids. This review synthesizes contemporary insights into chemosensory perception, with a specific emphasis on arthropod natural enemies and microorganisms, highlighting their ecological and applied significance.

Keywords:

semiochemicals

volatile organic compounds (VOCs)

kairomones

tritrophic interactions

chemosensory receptors

odorant-binding proteins (OBPs)

pheromone

biocontrol

HIPV

microorganism

Biological control based on cross-trophic chemical communications: current status and implementation

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