Primary type information: Type locality: Dubrovnik (Croatia), 42.650° N, 18.083°E, 3 m a.s.l., leg. D. Dender, 29.X.2005.Type material. All type material from one nest, labeled "CRO: 42.650° N, 18.083° E Dubrovnik coast, 3 m D.Dender 2005.10.29-18071". Holotype worker (Fig. 15) and eleven paratype workers in Senckenberg Naturkundemuseum Görlitz (Germany). Five paratype workers in Museum of Comparative Zoology, Cambridge, Massachusetts (USA), five in Natural History Museum in London (UK), five in Natural History Museum Basel (Switzerland), five in Museum of Nature South Tyrol (Bozen, Italy), five in Tiroler Landesmuseum (Hall, Austria), five in Natural History Museum in Vienna (Austria), five in Budapest Hungarian Natural History Museum (Hungary), and five in Schmalhausen Institute of Zoology Kiev (Ukraine).