Annotated catalog and bibliography of the cyclocephaline scarab beetles (Coleoptera, Scarabaeidae, Dynastinae, Cyclocephalini) Author Moore, Matthew R. Department of Entomology and Nematology, University of Florida, Building 1881 Natural Area Drive, Steinmetz Hall, Gainesville, FL 32611, USA cyclocephala@gmail.com Author Cave, Ronald D. Department of Entomology and Nematology, University of Florida, Indian River Research and Education Center, 2199 South Rock Road, Fort Pierce, FL 34945, USA Author Branham, Marc A. Department of Entomology and Nematology, University of Florida, Building 1881 Natural Area Drive, Steinmetz Hall, Gainesville, FL 32611, USA text ZooKeys 2018 2018-03-22 745 101 378 http://dx.doi.org/10.3897/zookeys.745.23685 journal article http://dx.doi.org/10.3897/zookeys.745.23685 1313-2970-745-101 8785DC6BC2A244FD94B6243EB07C717F 047DFFCAFFA5F32EA97C873F4708943F 1222435 Cyclocephala castaniella Bates, 1888 Cyclocephala castaniella Bates, 1888: 304 [original combination]. syn. Cyclocephala obscurata Endrodi , 1966: 84 , 270-271 [original combination]. Cyclocephala castaniella Bates [synonymy by Ratcliffe 2003 ]. Types. Type of C. castaniella at BMNH ( Endrodi 1966 ). Holotype ♂ of C. obscurata at ZMHB ( Endrodi 1966 ). Distribution. COSTA RICA: Alajuela, Cartago, Guanacaste, Heredia, Puntarenas, San Jose . PANAMA: Chiriqui . References. Bates 1888 , Arrow 1937b , Blackwelder 1944 , Martinez 1964 , Pike et al. 1976 , Endrodi 1966 , 1985a , Abarca and Quesada 1997, Vargas and Abarca 1998 , Ratcliffe 1992a , 2002a , 2003 , Krajcik 2005 , 2012 . Remarks. Endrodi (1966 , 1985a ) reported a single specimen of C. castaniella from Brazil with no further details. These data are likely erroneous ( Ratcliffe 2003 ).