Rhynchium nigrosericeum, Taxa Only, Exact Match: 2 Treatments

Rhynchium nigrosericeum			Selis, Marco, 2018, Additions to the knowledge of solitary wasps (Hymenoptera: Vespidae: Eumeninae), with description of eight new species, Zootaxa 4403 (3), pp. 441-468 : 456	456
Rhynchium nigrosericeum			J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 236	236