Cyclocephala
Cyclocephala is a genus of scarab beetles from the subfamily Dynastinae (Coleoptera, Scarabaeidae). Beetles of this genus occur from southeastern Canada to Argentina and the West Indies. Adults of this genus are nocturnal or crepuscular, and are usually attracted to lights. Selected species. This is a large genus and new species continue to be added. Predation. Several species of "Cyclocephala" serve as hosts for the parasitic larvae of the South American robber fly "Mallophora ruficauda", especially "C. signaticollis."