Genera;"Species and subspecies";References "Ancognatha Ericson, 1847";"A. manca (LeConte)";"Ritcher 1966, Ramírez-Salinas et al. 2004, Vallejo and Morón 2008, Neita-Moreno and Morón 2008" "A. scarabaeoides Erichson" "A. sellata Arrow" "A. ustulata (Burmeister)" "Aspidolea Bates, 1888";"A. singularis Bates";"Neita-Moreno et al. 2007" "Cyclocephala Dejean, 1821";"C. barrerai Martínez";"Ritcher 1944, 1966, Gordon and Anderson 1981, King 1984, Morelli 1989, 1991, Morelli and Alzugaray 1994, Bran et al. 2006, Lugo-García et al. 2009, Stechauner-Rohringer and Pardo-Locarno 2010, Albuquerque et al. 2014, Souza et al. 2014a, b, Morón et al. 2014" "C. borealis Arrow" "C. celata Dechambre" "C. comata Bates" "C. distincta Burmeister" "C. fasciolata Bates" "C. fulgurata Burmeister" "C. gregaria Heyne & Taschenberg" "C. jalapensis Casey" "C. longula LeConte" "C. lunulata Burmeister" "C. lurida lurida Bland" "C. modesta Burmeister (undescribed; incorporated into key by Morelli and Alzugaray [1994])" "C. paraguayensis paraguayensis Arrow" "C. parallela (Casey)" "C. pasadenae (Casey)" "C. putrida Burmeister (undescribed; incorporated into key by Morelli and Alzugaray [1994])" "C. signaticollis Burmeister" "C. sinaloae Howden and Endrődi" "C. testacea Burmeister" "Dyscinetus Harold, 1869";"D. dubius (Olivier)";"Ritcher 1944, 1966, Vincini et al. 2000, Neita-Moreno and Yepes 2011" "D. morator (Fabricius)" "D. rugifrons (Burmeister)"