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  3. Delimtools: An R Package For Species Delimitation.
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  3. Delimtools: An R Package For Species Delimitation.

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delimtools: an R package for species delimitation.

Pedro Senna Bittencourt1,2, R A Collins3, Tomas Hrbek1,4

  • 1Laboratório de Evolução e Genética Animal - LEGAL, Departamento de Genética, Universidade Federal do Amazonas, Av. General Rodrigo Otávio Jordão Ramos, 3000, Coroado, 69077-000, Manaus, Amazonas, Brazil.

Genome
|May 19, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

The R package delimtools standardizes species delimitation by integrating DNA barcoding data. This tool enhances biodiversity inventories and integrative taxonomy by streamlining data processing and analysis.

Keywords:
consensus delimitationiterative taxonomysingle locus species delimitationspecies delimitation visualization

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Area of Science:

  • Ecology and Evolutionary Biology
  • Bioinformatics
  • Computational Biology

Background:

  • Single-locus species delimitation methods using DNA barcoding are crucial for biodiversity inventories and integrative taxonomy.
  • Existing methods (e.g., ABGD, ASAP, GMYC, mPTP) produce idiosyncratic outputs, hindering integration and comparison.
  • A need exists for a standardized platform to manage and analyze diverse species delimitation outputs.

Purpose of the Study:

  • To introduce delimtools, an R package designed to standardize and scale species delimitation analyses.
  • To provide a unified platform for pre-processing, analyzing, and visualizing DNA barcoding data for species delimitation.

Main Methods:

  • The delimtools R package facilitates data pre-processing, cleaning, and formatting.
  • It collapses and summarizes haplotype information.
  • The package executes, parses, and merges outputs from various species delimitation programs, tabulating and visualizing results on phylogenetic trees.

    • Main Results:

    • delimtools offers a comprehensive solution for managing and integrating outputs from multiple species delimitation methods.
    • The package enables efficient data handling, analysis execution, and result visualization.
    • It standardizes the workflow for species delimitation, improving scalability and repeatability.

    Conclusions:

    • The delimtools R package provides a powerful, open-source platform for advancing species delimitation research.
    • It addresses the challenge of integrating diverse software outputs, promoting consistency in biodiversity assessments.
    • This tool facilitates large-scale biodiversity inventories and integrative taxonomy by standardizing analyses.