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Related Experiment Video

Updated: May 10, 2026

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity

Published on: March 13, 2014

Predicting novel trophic interactions in a non-native world.

Ian S Pearse¹, Florian Altermatt

¹Laboratory of Ornithology, Cornell University, Ithaca, NY, USA. ianspearse@gmail.com

Ecology Letters

|June 27, 2013

Summary

This summary is machine-generated.

Native herbivores can adapt to new, non-native plants, impacting ecosystems and agriculture. This study predicts these novel plant-insect interactions using a predictive model, aiding in understanding introduced plant impacts.

Keywords:

Herbivory host breadth invasive species novel interaction phylogenetic constraint

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Area of Science:

Ecology
Conservation Biology
Entomology

Background:

Human activities are shifting plant distributions globally, often decoupling them from their native herbivores.
Native herbivores may colonize introduced plants, influencing invasion dynamics and agricultural productivity.

Purpose of the Study:

To develop and validate a predictive model for forecasting novel plant-herbivore interactions.
To understand the ecological patterns governing herbivore host-use on both native and non-native plants.

Main Methods:

Constructed an herbivore host-use model using a food network of 900 native European butterfly and moth species and 1944 native plants.
Extrapolated host-use patterns from native plant-herbivore interactions to predict interactions with non-native plants.
Validated predictions using a dataset of hundreds of observed novel plant-insect interactions.

Main Results:

The predictive model accurately forecasted the novel use of 459 non-native plant species by native herbivores.
Host breadth patterns observed on native plants were equally significant in determining non-native host utilization.
The study identified key ecological factors driving herbivore adaptation to introduced plants.

Conclusions:

Predictive modeling can forecast novel herbivore communities on non-native plants.
Understanding these interactions is crucial for managing invasive plants and agricultural pests.
This research provides a framework for assessing the ecological impact of introduced plant species.