| Auteur(s) | Soltani G, Bénon D, Alvarez N, Praz C |
| Jaar | 2017 |
| Titel | When different contact zones tell different stories: putative ring species in the Megachile concinna complex (Hymenoptera, Megachilidae). Biological Journal of the Linnean Society Vol. 121, Issue 4, pp 815–832 |