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We would like to thank Glenn Fisher and two anonymous reviewers for their comments to improve the manuscript. Funding for this research was provided by Western Sustainable Agriculture Research and Education and the Oregon Clover Seed Commisson.
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Manuscript editor: Marla Spivak
Note Scientifique: tendance au bivoltinisme chez des bourdons de l'ouest des Etats-Unis
Eine wissenschaftliche Notiz über einen Trend zum Bivoltinismus bei Hummeln im westlichen Nordamerika
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Skyrm, K.M., Rao, S. & Stephen, W.P. A scientific note on a trend towards bivoltinism in Western North American bumblebees. Apidologie 43, 82–84 (2012). https://doi.org/10.1007/s13592-011-0086-9
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DOI: https://doi.org/10.1007/s13592-011-0086-9