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Related Experiment Video

Updated: May 2, 2026

Evaluating the Effect of Pesticides on the Larvae of the Solitary Bees

Evaluating the Effect of Pesticides on the Larvae of the Solitary Bees

Published on: October 15, 2021

Shifts in pollinator population structure may jeopardize pollination service.

Francisco Encinas-Viso¹, Tomás A Revilla², Rampal S Etienne¹

¹Community and Conservation Ecology, University of Groningen, The Netherlands.

Journal of Theoretical Biology

|March 11, 2014

Summary

Understanding pollinator life stages is key to stable plant-pollinator mutualisms. Models show larval-stage dominance can destabilize interactions, risking sudden collapse of crucial pollination services.

Keywords:

Allee effect Hysteresis Insects Larval development Mutualism Pesticides Stage-structure

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Last Updated: May 2, 2026

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Area of Science:

Ecology
Theoretical Biology

Background:

Plant-pollinator interactions are vital for biodiversity and ecosystem function.
Most pollinators are insects with distinct life stages, each critical for survival.

Purpose of the Study:

To investigate the impact of pollinator life-stage structure on plant-pollinator mutualism stability.
To address the gap in theoretical models that often overlook pollinator population structure.

Main Methods:

Development of a theoretical model of plant-pollinator dynamics.
Inclusion of stage-structure for an obligate pollinator and a facultative plant.

Main Results:

A globally stable equilibrium is predicted when adult pollinators dominate the population.
A locally stable equilibrium is predicted when plants heavily depend on pollination and larvae dominate the pollinator population.

Conclusions:

Pollinator stage-structure significantly influences mutualism stability.
Larval-stage dominance can lead to abrupt mutualism collapse, especially under external pressures like pesticides.
Conservation strategies must consider the full pollinator life cycle to ensure stable pollination services.