Recent Swiss records of rare bee species (Hymenoptera, Apidae) with two species new to Switzerland

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Kouakou, D., Sattler, T., Obrist, M. K., Duelli, P., & Moretti, M. (2008). Recent Swiss records of rare bee species (Hymenoptera, Apidae) with two species new to Switzerland. Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 81, 191-197. https://doi.org/10.5169/seals-402970