Melolontha undata Olivier 1789: 80 Cyclocephala rubicunda Burmeister 1847: 61 An annotated checklist of the Scarabaeoidea (Insecta: Coleoptera) of the Guianas Hielkema, Auke J. Hielkema, Meindert A. Insecta Mundi 2019 2019-10-25 732 732 1 306 (Olivier, 1789) Olivier 1789 [192,683,329,353] Insecta Dynastidae Cyclocephala Animalia Coleoptera 186 185 Arthropoda species undata      Melolontha undata Olivier 1789: 80( Suriname)  =   Cyclocephala rubicunda Burmeister 1847: 61( French Guiana- LECTOTYPE)   Distribution. Guyana: Endrödi 1966a: 325, 1985a: 94, 137; Moore et al. 2018b: 258.  Suriname: Olivier 1789: 80(as  Melolontha undata); Endrödi 1966a: 325(designation NEOTYPE  Melolontha undata), 1985a: 94, 137; Moore et al. 2018b: 258; MHCN; NZCS.  French Guiana: Burmeister 1847: 61(as  C. rubicunda; as  C. undata); Endrödi 1966a: 325, 1985a: 94, 137; Dechambre 1991: 124(designation LECTOTYPE  Cyclocephala rubicauda[sic]); Duranton 2011: 16; Ponchel 2011: 60; Dupuis 2016b: 109; Moore et al. 2018b: 258. “Guianas”: Arrow 1937b: 15, 16 (as  C. rubicunda; as  C. undata); Blackwelder 1944: 252, 253 (as  C. rubicunda; as  C. undata).  Brazil: Endrödi 1966a: 325, 1985a: 94, 137; Moore et al. 2018b: 258.  Note 1. Moore et al. (2018b: 107)conclude that the neotypeof  Melolontha undatadesignated in Endrödi (1966a: 325)is invalid, because it violates several demands of Article 75 of the ICZN (1964: 81).  Note 2.See the note at  Cyclocephala chera.