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Updated: Apr 22, 2026

A 3D Printed Pollen Trap for Bumble Bee Bombus Hive Entrances

A 3D Printed Pollen Trap for Bumble Bee Bombus Hive Entrances

Published on: July 9, 2020

Bumblebee size polymorphism and worker response to queen pheromone.

¹Centre of Excellence in Biological Interactions, Division of Ecology, Evolution & Genetics, Research School of Biology, Australian National University , Canberra, ACT , Australia.

|October 8, 2014

Summary

This summary is machine-generated.

Queen bumblebees produce a pheromone, n-pentacosane (C25), that suppresses worker reproduction. This study confirms C25

Keywords:

Bombus terrestris Eusociality Fertility signal Reproducible research Social insects

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Area of Science:

Insect behavior
Chemical ecology
Social evolution

Background:

Queen pheromones regulate social insect colonies.
In Bombus terrestris, a queen pheromone negatively affects worker fecundity.
This presents an opportunity to compare with other eusocial insects like honey bees and ants.

Purpose of the Study:

To replicate the discovery of a queen pheromone in bumblebees.
To verify the reproducibility of its effect on worker reproduction.
To investigate the impact of n-pentacosane (C25) on worker ovary development.

Main Methods:

Blind, controlled experiments were conducted.
The effect of n-pentacosane (C25) on bumblebee workers was assessed.
Experiments included workers from both young and mature colonies, and varied worker sizes.

Main Results:

N-pentacosane (C25) was confirmed to negatively affect worker ovary development.
This effect was observed in both large and small workers.
The pheromone's impact was consistent across workers from young and mature colonies.

Conclusions:

The discovery of a queen pheromone in bumblebees is reproducible.
N-pentacosane (C25) is a key component of this pheromone, suppressing worker reproduction.
This finding encourages further research into bumblebee social structure and chemical communication.