A Catalogue of the Pacific Eumeninae (Hymenoptera: Vespidae) Author Carpenter, James M. Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79 th Street, New York, text Zootaxa 2023 2023-07-12 5315 5 401 455 http://dx.doi.org/10.11646/zootaxa.5315.5.1 journal article 263436 10.11646/zootaxa.5315.5.1 33ce411d-af49-4183-963e-08469b8e0e6f 1175-5326 8142377 A0E917F4-958C-4804-BCDF-3D7722A236CA Genus Rhynchium Spinola Rhynchium Spinola 1806: 84 , genus, emendation of Rygchium validated by Opinion 747 ( ICZN 1965 ; no. 1688 of Official List of Generic Names in Zoology). Type species: Rygchium [!] europaeum Spinola 1806 [= Vespa oculata Fabricius 1781 ], by monotypy (no. 2095 of Official List of Specific Names in Zoology). Rygchium Spinola 1806: 84 , genus. Incorrect original spelling of Rhynchium Spinola , placed on Official Index of Rejected and Invalid Generic Names in Zoology (as no. 1768) by Opinion 747 ( ICZN 1965 ). Rhynchium Billberg 1820: 109 . Emendation of Rychium [!] Spinola; validated and placed on Official List of Generic Names in Zoology (as no. 1688) by Opinion 747 ( ICZN 1965 ). Rychium [!] Billberg 1820: 109. Placed on Official Index of Rejected and Invalid Generic Names in Zoology (as no. 1769) by Opinion 747 ( ICZN 1965 ). Rynchium Sturm 1829: 12 . Unjustified emendation of Rhynchium Spinola , placed on Official Index of Rejected and Invalid Generic Names in Zoology (as no. 1770) by Opinion 747 ( ICZN 1965 ). Rhygchium [!] de Saussure 1853: xxxi, 276. Placed on Official Index of Rejected and Invalid Generic Names in Zoology (as no. 1771) by Opinion 747 ( ICZN 1965 ). Eurrhynchium Dalla Torre 1904: 33 , name for division II of Rhynchium Spinola in de Saussure 1852: 105 . Type species: Vespa oculata Fabricius 1781 , by subsequent designation of van der Vecht & Carpenter 1990: 23 .