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Updated: Apr 7, 2026

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Published on: November 15, 2017

Modeling Honey Bee Populations.

David J Torres¹, Ulises M Ricoy², Shanae Roybal²

¹Department of Mathematics and Physical Science, Northern New Mexico College, Espanola, NM, USA.

|July 7, 2015

Summary

This summary is machine-generated.

Honey bee colony health is susceptible to pupae and hive bee mortality. This study models honey bee population dynamics, revealing factors like pheromones and food scarcity impact colony survival.

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Last Updated: Apr 7, 2026

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Area of Science:

Ecology
Population Dynamics
Entomology

Background:

Honey bee (Apis mellifera) colonies exhibit age-stratified organization: egg, larvae, pupae, hive bees, and foraging bees.
Understanding honey bee decline requires analyzing factors affecting each age caste.

Purpose of the Study:

Analyze steady-state honey bee populations considering caste-specific mortality rates.
Investigate transient population dynamics, incorporating factors like pheromones, larval mortality, and food scarcity.

Main Methods:

Performed steady-state population analysis with varying mortality rates across bee castes.
Developed a transient model using differential equations, building on prior work (Schmickl & Crailsheim, Khoury et al.).
Incorporated pheromonal effects on maturation, larval mortality dependence on hive bees, and food scarcity.

Main Results:

Honey bee colonies are highly sensitive to mortality rates in pupae and hive bee castes.
Transient models demonstrate the significant impact of pheromones, hive bee availability on larvae, and food scarcity on population dynamics.
Sensitivity studies revealed the influence of parameter variations on overall colony population.

Conclusions:

Colony resilience is significantly influenced by the mortality rates of specific castes, particularly pupae and hive bees.
Dynamic modeling provides critical insights into factors driving honey bee population fluctuations and decline.
Further research into these factors is crucial for honey bee conservation efforts.