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Updated: Jun 16, 2026

A Computational Method to Quantify Fly Circadian Activity
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A model-based approach to study ant energetics from trajectory data.

Basit Yaqoob1,2,3, Michael Napoli1,2, Nicola Pugno4,5

  • 1Center for Urban Science and Progress, Tandon School of Engineering, New York University, Brooklyn, NY 11201, USA.

PNAS Nexus
|June 15, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed a new framework combining video tracking and biomechanical models to study ant energy consumption. This method reveals ants prioritize adaptability over energy efficiency in their locomotion.

Keywords:
cost of transportenergy consumptioninsect biomechanicslocomotionvideo data

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Area of Science:

  • Biomechanics
  • Animal Energetics
  • Locomotion Analysis

Background:

  • Insect survival hinges on energy resource consumption.
  • Flow respirometry has limitations for individual and colony-level energy cost analysis.

Purpose of the Study:

  • To introduce an integrative framework for inferring locomotion energetics in ants.
  • To overcome limitations of traditional respirometry techniques.

Main Methods:

  • Combining video tracking with a novel physics-based model for hexapedal locomotion.
  • Analyzing locomotion in the sagittal plane to predict motion and oscillations.
  • Estimating input energy through a mechanistic approach and biomechanical analysis.

Main Results:

  • Individual ants exhibit a preference for adaptability over energy efficiency.
  • Ants utilize higher step frequencies and less energy recovery.
  • The framework allows for detailed analysis of ant energetics.

Conclusions:

  • The developed framework offers a valuable toolkit for biologists studying ant energetics.
  • Enables informative inter-species comparisons of locomotion energetics.
  • Provides insights into the trade-offs between adaptability and efficiency in ants.