| Auteur(s) | Rasmont, P. and Iserbyt, I. |
| Jaar | 2010 |
| Titel | 2012. Atlas of the European Bees: genus Bombus. STEP Project. Atlas Hymenoptera. Mons Available at: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=169. |
| Auteur(s) | Rasmont, P. and Iserbyt, I. |
| Jaar | 2010 |
| Titel | 2012. Atlas of the European Bees: genus Bombus. STEP Project. Atlas Hymenoptera. Mons Available at: http://www.zoologie.umh.ac.be//hymenoptera/page.asp?ID=169. |