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Related Experiment Video

Updated: Apr 20, 2026

Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

Published on: October 9, 2017

Climate change: bees and orchids lose touch.

¹School of Biology, Sir Harold Mitchell Building, University of St Andrews, St Andrews, Fife, KY16 9TH, Scotland, UK.

Current Biology : CB

|December 4, 2014

Summary

Rising spring temperatures are causing bee flight periods to advance faster than orchid flowering times. This asynchrony threatens pollination and could lead to significant future ecological uncoupling.

Area of Science:

Ecology
Phenology
Conservation Biology

Background:

Climate change is altering seasonal timings in ecosystems.
Phenological shifts in flowering plants and pollinators can lead to ecological mismatches.
Orchid-bee interactions are crucial for pollination and species survival.

Purpose of the Study:

To investigate the impact of increasing spring temperatures on orchid flowering and bee flight periods.
To determine if phenological shifts are causing asynchrony between a specialist orchid and its bee pollinator.
To predict the future consequences of this asynchrony for pollination success.

Main Methods:

Utilized a combination of herbarium, museum, and field data.
Analyzed historical and contemporary data on orchid flowering and bee flight times.

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Last Updated: Apr 20, 2026

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Employed statistical methods to assess phenological trends and synchrony.

Main Results:

Observed that bee flight dates are advancing more rapidly than orchid flowering times.
Documented a growing phenological asynchrony between the specialist orchid and bee.
Found evidence suggesting that temperature increases are driving these differential shifts.

Conclusions:

Increasing spring temperatures are creating a temporal mismatch between orchids and their specialist bee pollinators.
This asynchrony poses a significant risk to the reproductive success of the orchid and the survival of the bee.
Urgent conservation strategies may be needed to mitigate the impacts of climate change on plant-pollinator interactions.