Related Experiment Video
Updated: Aug 8, 2025
09:17
Investigation of Plant Interactions Across Common Mycorrhizal Networks Using Rotated Cores
Published on: March 26, 2019
12.2K
Can herbivores sharing the same host plant be mutualists?
Qingsong Liu1, Ted C J Turlings2, Yunhe Li3
1State Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Life Sciences and College of Agriculture, Henan University, Kaifeng 475004, China.
Trends in Ecology & Evolution
|March 2, 2023
Summary
Two rice pest insects uniquely coinfest the same host plants, evolving mutualism through plant-mediated interactions. This challenges traditional resource partitioning theory for species coexistence and mutualistic evolution.
Area of Science:
- Ecology
- Evolutionary Biology
- Insect Behavior
Background:
- Resource partitioning is typically a prerequisite for species to evolve from competition to mutualism.
- This study examines two major rice pest insects that deviate from this established ecological principle.
Purpose of the Study:
- To investigate the unique coinfestation behavior of rice pest insects.
- To understand the plant-mediated mechanisms driving their cooperative plant utilization and mutualistic interactions.
Main Methods:
- Observational studies on rice pest insect behavior.
- Analysis of plant-mediated interactions between insects and host plants.
Main Results:
- Rice pest insects preferentially coinfest the same host plants.
- These insects cooperatively utilize host plants through plant-mediated mechanisms, exhibiting mutualistic behavior.
- This challenges the necessity of resource partitioning for the evolution of mutualism.
Conclusions:
- The findings present a unique case of insect mutualism evolving without resource partitioning.
- Plant-mediated interactions play a crucial role in facilitating mutualism between competing herbivores.
- This research offers new insights into the evolutionary pathways of species coexistence and mutualism.
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