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 Genus Dyscinetus Harold, 1869 Dyscinetus Harold, 1869a: 123 [original usage, new replacement name for preoccupied genus name Chalepus MacLeay, 1819: 149]. syn. Palechus Casey, 1915: 174 [original usage]. Proposed as a subgenus. Type species: Palechus histrio Casey, by original designation. Dyscinetus Harold [synonymy by Saylor 1945 : 380]. Type species. Melolontha geminata Fabricius, 1801, by monotypy. Keys. Dawson 1922 (Nebraska, USA), Chapin 1932 (Cuba), Saylor 1945 (USA), Paulian 1947 (French Antilles), Arnett 1968 (USA), Endrodi 1966 , 1985a , Moron 1979 (Veracruz, Mexico), Gordon and Anderson 1981 (larvae and adults, Florida, United States), Ratcliffe 1985 , Maes 1994 (Nicaragua), Moron and Zaragoza 1976 (Estado de Mexico , Mexico), Moron et al. 1985 (Chiapas, Mexico), Moron et al. 1988 (Jalisco, Mexico), Ratcliffe 1991 (Nebraska, USA), Jameson et al. 2002 , Ratcliffe 2003 (Costa Rica and Panama), Villegas-Urbano 2004 (larvae, Colombia), Ratcliffe and Cave 2006 (Honduras, Nicaragua, and El Salvador), Ratcliffe and Paulsen 2008 (Nebraska, USA), Gasca-Alvarez and Amat-Garcia 2010 (Colombia), Joly and Escalona 2010 (Venezuela), Neita-Moreno and Yepes 2011 (larvae), Ratcliffe et al. 2013 (Guatemala, Belize, and Mexico), Pardo-Locarno 2013 (Valle del Cauca, Colombia), Cherman et al. 2013 (larvae, Rio Grande do Sul, Brazil), Ratcliffe and Cave 2015 (West Indies), Ratcliffe and Cave 2017 (USA and Canada). Valid taxa. 21 species.