The mantidfly genus Nolima Navás, 1914 (Neuroptera, Mantispidae, Calomantispinae) is herein revised. Nolima is endemic to the New World, ranging from the southwestern United States south to Costa Rica. Nolimainfensa Navás, N.pinal Rehn, and N.victor Navás are redescribed, while the new species Nolimacostaricensis Reynoso & Contreras, sp. nov. is described from Costa Rica. The species N.dine Rehn and N.kantsi Rehn are synonymized with N.pinal. Additionally, the species N.praeliator Navás and N.pugnax Navás are synonymized with N.victor, for which a lectotype is designated. New distribution records are provided from Guatemala and Honduras for Nolimainfensa, the state of Nevada in western United States for N.pinal, and the state of Puebla in central Mexico for N.victor. An illustrated key and a distribution map are presented.
Keywords: Lacewings; New World; mantispids; new species; taxonomy.