Not every sperm counts: Male fertility in solitary bees, Osmia cornuta

• Verena Strobl ,

  Contributed equally to this work with: Verena Strobl, Lars Straub

  Roles Conceptualization, Data curation, Investigation, Methodology, Visualization, Writing – original draft

  * E-mail: verena.strobl@vetsuisse.unibe.ch (VS); lars.straub@vetsuisse.unibe.ch (LS)

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Swiss Bee Research Centre, Agroscope, Bern, Switzerland

  http://orcid.org/0000-0002-1748-2830

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• Lars Straub ,

  Contributed equally to this work with: Verena Strobl, Lars Straub

  Roles Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Visualization, Writing – original draft

  * E-mail: verena.strobl@vetsuisse.unibe.ch (VS); lars.straub@vetsuisse.unibe.ch (LS)

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Swiss Bee Research Centre, Agroscope, Bern, Switzerland

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• Selina Bruckner,

  Roles Data curation

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Department of Entomology & Plant Pathology, Auburn University, Auburn, AL, United States of America

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• Matthias Albrecht,

  Roles Data curation, Investigation

  Affiliation Agroecology and Environment, Agroscope, Zürich, Switzerland

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• Jakkrawut Maitip,

  Roles Data curation

  Affiliations Faculty of Science, Energy and Environment, King Mongkut's University of Technology, North Bangkok, Rayong Campus, Bankhai, Rayong, Thailand, Bee Protection Center, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand

  http://orcid.org/0000-0001-6265-1421

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• Eleonora Kolari,

  Roles Conceptualization

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Swiss Bee Research Centre, Agroscope, Bern, Switzerland

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• Panuwan Chantawannakul,

  Roles Funding acquisition, Writing – review & editing

  Affiliations Bee Protection Center, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand, Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand

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• Geoffrey R. Williams,

  Roles Conceptualization, Data curation, Formal analysis, Writing – original draft

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Swiss Bee Research Centre, Agroscope, Bern, Switzerland, Department of Entomology & Plant Pathology, Auburn University, Auburn, AL, United States of America

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• Peter Neumann

  Roles Conceptualization, Supervision, Writing – original draft

  Affiliations Institute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, Switzerland, Swiss Bee Research Centre, Agroscope, Bern, Switzerland

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