ERGA-BGE genome of Erebia palarica Chapman, 1905: a montane butterfly endemic to North-West Spain

List of Authors

  1. Marta Vila ,  
  2. Laura Torrado-Blanco ,  
  3. Nils Ryrholm ,  
  4. David Romero-Pedreira
    ,  
  5. María Conejero ,  
  6. Astrid Böhne ,  
  7. Rita Monteiro ,  
  8. Thomas Marcussen ,  
  9. Rebekah A. Oomen ,  
  10. Torsten H. Struck ,  
  11. Laura Aguilera ,  
  12. Marta Gut ,  
  13. Francisco Câmara Ferreira
    ,  
  14. Fernando Cruz ,  
  15. Jèssica Gómez-Garrido ,  
  16. Tyler S. Alioto ,  
  17. Leanne Haggerty ,  
  18. Fergal Martin
    ,  
  19. Chiara Bortoluzzi
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Abstract

The reference genome of Erebia palarica (Chapman’s ringlet; Lepidoptera: Nymphalidae, Satyrinae) provides valuable insights into evolutionary and conservation genomics. On one hand, it paves the way to unravel the speciation processes, reproductive barriers, and potential hybridisation between E. palarica and its closely related sister species, Erebia meolans. On the other hand, this genomic resource will be key for the genetic monitoring of this narrowly endemic species, restricted to the Cantabrian Mountains (NW Spain), facilitating the use of genomic data to estimate population genetic parameters. The genome of a female individual was assembled into 13 phased contiguous autosomes, two sex chromosomes (W and Z), and one mitochondrial genome. This chromosome-level assembly encompasses 0.51 Gb and has no gaps, making this a telomere-to-telomere (T2T) genome assembly. The assembly is composed of 15 contigs with an N50 value of 36.4 Mb.

Corresponding author
Chiara Bortoluzzi
0000-0001-6589-6635
Grant information

This project received funding from Biodiversity Genomics Europe (Grant no.101059492), which is funded by Horizon Europe under the Biodiversity, Circular Economy and Environment call (REA.B.3); co-funded by the Swiss State Secretariat for Education, Research and Innovation (SERI) under contract numbers 22.00173 and 24.00054; and by the UK Research and Innovation (UKRI) under the Department for Business, Energy and Industrial Strategy’s Horizon Europe Guarantee Scheme. MV was financially supported by grants from Xunta de Galicia (ED431B 2024/23) and the University of A Coruña. LT-B was funded by Xunta de Galicia (ED481A/2020-300).

The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright
© 2026 Marta Vila (Co-Author); Laura Torrado-Blanco (Co-Author); Nils Ryrholm (Co-Author); David Romero-Pedreira (Co-Author); María Conejero (Co-Author); Astrid Böhne (Co-Author); Rita Monteiro (Co-Author); Thomas Marcussen (Co-Author); Rebekah A. Oomen (Co-Author); Torsten H. Struck (Co-Author); Laura Aguilera (Co-Author); Marta Gut (Co-Author); Francisco Câmara Ferreira (Co-Author); Fernando Cruz (Co-Author); Jèssica Gómez-Garrido (Co-Author); Tyler S. Alioto (Co-Author); Leanne Haggerty (Co-Author); Fergal Martin (Co-Author); Chiara Bortoluzzi (Corresponding Author, Co-Author) Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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Authors & roles

Marta Vila

Departamento de Bioloxía, Facultade de Ciencias, Zapateira, Universidade da Coruña, Grupo de Investigación en Bioloxía Evolutiva, A Coruña, 15071, Spain

Roles
Co-Author, Investigation, Resources, Writing – Original Draft Preparation, Writing – Review & Editing
0000-0002-8803-9174

Laura Torrado-Blanco

Departamento de Bioloxía, Facultade de Ciencias, Zapateira, Universidade da Coruña, Grupo de Investigación en Bioloxía Evolutiva, A Coruña, 15071, Spain

Roles
Co-Author, Investigation, Resources, Writing – Review & Editing
0000-0001-9339-5360

Nils Ryrholm

Department of Electronics, Mathematics and Natural Sciences, Faculty of Engineering and Sustainable Development, University of Gävle, Gävle, SE-80176, Sweden

Roles
Co-Author, Investigation, Resources, Writing – Review & Editing
0000-0002-0385-295X

David Romero-Pedreira

Departamento de Bioloxía, Facultade de Ciencias, Zapateira, Universidade da Coruña, Grupo de Investigación en Bioloxía Evolutiva, A Coruña, 15071, Spain

Roles
Co-Author, Investigation, Resources, Writing – Review & Editing

María Conejero

Department of Biodiversity and Evolutionary Biology, c/Jose Gutierrez Abascal 2, Museo Nacional de Ciencias Naturales (CSIC), Madrid, 28006, Spain

Roles
Co-Author, Investigation, Resources, Writing – Review & Editing
0000-0002-1138-7162

Astrid Böhne

Leibniz Institute for the Analysis of Biodiversity Change, Adenauerallee 127, Museum Koenig Bonn, Bonn, 53113, Germany

Roles
Co-Author, Methodology, Project Administration, Supervision, Writing – Review & Editing
0000-0002-1284-3115

Rita Monteiro

Leibniz Institute for the Analysis of Biodiversity Change, Adenauerallee 127, Museum Koenig Bonn, Bonn, 53113, Germany

Roles
Co-Author, Methodology, Project Administration, Supervision, Writing – Review & Editing
0000-0003-1374-4474

Thomas Marcussen

Natural History Museum, P.O. Box 1172, Blindern, University of Oslo, Oslo, 0318, Norway

Centre for Ecological & Evolutionary Synthesis, Blindernveien 31, University of Oslo, Oslo, 0371, Norway

Roles
Co-Author, Methodology, Project Administration, Supervision, Writing – Review & Editing
0000-0002-1960-9508

Rebekah A. Oomen

Natural History Museum, P.O. Box 1172, Blindern, University of Oslo, Oslo, 0318, Norway

Centre for Ecological & Evolutionary Synthesis, Blindernveien 31, University of Oslo, Oslo, 0371, Norway

Department of Biological Sciences, 100 Tucker Park Road, University of New Brunswick Saint John, Saint John, E2K5E2, Canada

Tjärnö Marine Laboratory, Hättebäcksvägen 7, University of Gothenburg, Gothenburg, 45296, Sweden

Centre for Coastal Research, Universitetsveien 25, University of Agder, Kristiansand, 4630, Norway

Roles
Co-Author, Methodology, Project Administration, Supervision, Writing – Review & Editing
0000-0002-2094-5592

Torsten H. Struck

Natural History Museum, P.O. Box 1172, Blindern, University of Oslo, Oslo, 0318, Norway

Roles
Co-Author, Methodology, Project Administration, Supervision, Writing – Review & Editing
0000-0003-3280-6239

Laura Aguilera

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Investigation, Writing – Original Draft Preparation, Writing – Review & Editing
0000-0002-8631-8778

Marta Gut

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Investigation, Writing – Review & Editing
0000-0002-4063-7159

Francisco Câmara Ferreira

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Data Curation, Formal Analysis, Writing – Review & Editing

Fernando Cruz

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Data Curation, Formal Analysis, Writing – Review & Editing

Jèssica Gómez-Garrido

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Data Curation, Formal Analysis, Writing – Review & Editing

Tyler S. Alioto

Centro Nacional de Análisis Genómico (CNAG), Baldiri Reixac 4, Barcelona, 08028, Spain

Universitat de Barcelona (UB), 08028, Barcelona, Spain

Roles
Co-Author, Data Curation, Formal Analysis, Supervision, Writing – Review & Editing

Leanne Haggerty

European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK

Roles
Co-Author, Data Curation, Formal Analysis, Writing – Review & Editing

Fergal Martin

European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK

Roles
Co-Author, Data Curation, Formal Analysis, Writing – Review & Editing

Chiara Bortoluzzi

Department of Biology, Via Madonna del Piano 6, University of Florence, Sesto Fiorentino, Florence,, 50019, Italy

Department of Aquatic Ecology, Überlandstrasse 133, Eawag Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Zurich, 8600, Switzerland

SIB Swiss Institute of Bioinformatics, Amphipôle, Quartier UNIL-Sorge, Lausanne, 1015, Switzerland

Roles
Corresponding Author, Co-Author, Visualization, Writing – Original Draft Preparation
0000-0001-6589-6635

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