title: A new species of Cyllopsis (Lepidoptera: Nymphalidae: Satyrinae) from Costa Rica.
abstract: Cyllopsis emilia Chacón and Nishida, a new satyrine species, is described from a single male specimen from Cerro de la Muerte, San José, Costa Rica. This new species can be distinguished from other species of Cyllopsis by its white coloration.
authors.forename: Isidro
authors.initials: I
authors.lastname: Chacón
authors.forename: Kenji
authors.initials: K
authors.lastname: Nishida
mesh_terms: D000818:Animals; D003364:Costa Rica; D007915:Lepidoptera / Q000033:anatomy & histology / Q000145:classification*; D008297:Male