Bombus (Megabombus) ruderatus (FABRICIUS, 1775)

Literature

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• Edwards, M. & Jenner, M. 2006. Field Guide to the Bumblebees of Great Britain & Ireland. Ocelli Ltd.
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• Weissmann JA, Picanço A, Borges PAV, Schaefer H 2017. Bees of the Azores: an annotated checklist (Apidae, Hymenoptera). ZooKeys 642: 63–95.
• Westrich, P. 1990. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.
• Wind, P. & Pihl, S. (eds.) 2010. The Danish Red List. - The National Environmental Research Institute, Aarhus University [2004]-. http://redlist.dmu.dk (updated April 2010).