Astaena opalicaudaAstaena opalicauda is a species of beetle of the family Scarabaeidae. It is found in Costa Rica, Honduras, Nicaragua and Panama.DescriptionAdults reach a length of about 7–10 mm. They are dark auburn, dull, opalescent and slightly iridescent.EtymologyThe species name possibly refers to the richly opalescent elytra of the species.