Catalog of the Diptera types described by Camillo Rondani Author Sforzi, Alessandra 0000-0001-6974-7741 alessandra.sforzi@libero.it Author Sommaggio, Daniele 0000-0001-6974-7741 alessandra.sforzi@libero.it text Zootaxa 2021 2021-06-17 4989 1 1 438 journal article 10.11646/zootaxa.4989.1.1 1175-5326 4980621 89C63841-3CF4-491D-8C73-BEF7DCB18FB5 Dalmannia desponsata Rondani, 1857 ORIGINAL DESCRIPTION: 1857: 250. TYPE LOCALITY: Wiedemann ( in Meigen, 1824: 153 ) gave no type locality in the original description of Dalmannia gemina ( Wiedemann, 1824 ) , but presumably it is Europe because the work deals with European species. TYPE MATERIAL: see Remarks. CURRENT STATUS: junior synonym of Dalmannia aculeata (Linnaeus, 1761) ( Chvála & Smith 1988: 271 , Rivosecchi & Scaramozzino 1995: 4 , Stuke 2017: 137 ). REMARKS: Rondani (1857: 250) considered the males of Dalmannia gemina (Wiedemann in Meigen, 1824 ) and the females of Dalmannia australis ( Macquart, 1835 ) and Dalmannia meridionalis Robineau-Desvoidy, 1830 as belonging to the same species but, instead of applying the Principle of Priority, incorrectly proposed the substitute name Dalmannia desponsata . Dalmannia desponsata has always been considered as a synonym of Dalmannia aculeata (Linnaeus, 1761) ( Schiner 1861a: 389 , Schiner 1864: 112 , Bezzi & De Stefani-Perez 1897: 56 , Becker 1905: 272 , Kröber 1925: 41 , Chvála & Smith 1988: 271 , Rivosecchi & Scaramozzino 1995: 4 , Stuke 2017: 137 ), never as a valid species. The type material for Dalmannia desponsata will be the same as for the name it was proposed to replace, i. e., Dalmannia gemina . Wiedemann ( in Meigen, 1824: 153 ) reported that the types of Dalmannia gemina are in the Fabrician collection. Michelsen (2017) did not list this nominal species among the Fabrician types in the ZMUC. Stuke (2017: 137) reported that the type depository of Dalmannia gemina is unknown. Under the name Dalmannia desponsata there are a male in the MSNC and two specimens of undetermined sex in the MZUB (all are non-types).