| Auteur(s) | Konovaleva, I. |
| Jaar | 2007 |
| Titel | The first record of the rare oligolectic bumblebee Bombus gerstaeckeri Morawitz (Hymenoptera: Apidae: Bombini) from Ukraine. Ann. soc. entomol. Fr. (n.s.), 2007, 43 (4) : 441-443 |
| Auteur(s) | Konovaleva, I. |
| Jaar | 2007 |
| Titel | The first record of the rare oligolectic bumblebee Bombus gerstaeckeri Morawitz (Hymenoptera: Apidae: Bombini) from Ukraine. Ann. soc. entomol. Fr. (n.s.), 2007, 43 (4) : 441-443 |