The primary types of some species of Centris bees described by European entomologists in the 18 and 20 centuries (Hymenoptera: Apidae) Author Vivallo, Felipe AC109712-1474-4B5D-897B-1EE51459E792 HYMN Laboratório de Hymenoptera, Departamento de Entomologia, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão 20940 ‒ 040 Rio de Janeiro, RJ, Brazil. fvivallo@yahoo.com text European Journal of Taxonomy 2023 2023-03-27 864 1 27 journal article 264114 10.5852/ejt.2023.864.2083 55a97098-37cc-42b5-ae60-b4985b6403c9 2118-9773 8011935 4F73AB5F-A4B7-43AD-949E-A40FFEEABF4F Centrispectoralis Burmeister,1876 Centrispectoralis Burmeister, 1876: 161–162 (junior synonym of C . obsoleta Lepeletier, 1841 ). Type data This species was described apparently based on a single female collected in Corrientes Province , Argentina . The holotype bears the following data label: [red-rimmed white yellowish label] 221. [handwritten]\ [light green label] Döcong [undecipherable handwriting]\ [black-rimmed white yellowish label] pectoralis Burm. Corrient. [handwritten]\ [black-rimmed pink label] Centris [handwritten] HOLOTYPUS [printed] pectoralis Burm [handwritten] ( MACN ). Type locality Argentina : Corrientes Province , Río Guayquiraró.