| Auteur(s) | Else, G.R. & Edwards, M. |
| Jaar | 2018 |
| Titel | Handbook of the Bees of the British Isles. Ray Society, LondonFilatov, M.A., Ivanov, S.P., Budashkin, Y.I., 2006. - “Biodiversity of nature reserves of the Kertchenski Peninsula”, Transactions of Nikitski Botanical Garden. - Jalta: State Nikitski Botanical Garden. - 2006. – Vol. 126. – 258-262. |