New and little known Orthoptera (Ensifera and Caelifera) from the Ñambí River Natural Reserve, Nariño, Colombia

A preliminary checklist of the Orthopterans from the Nambi River Natural reserve is presented. A total of 26 species were studied, five new species are herein described: Championica nambiensis n. sp., Cocconotus awa n. sp., Cocconotus levyi n. sp. (Tettigoniidae: Pseudophyllinae), Antillicharis kwaiker n. sp. (Gryllidae) and Brachybaenus nariniensis n. sp. (Gryllacrididae). Three species are recorded from Colombia for the first time ( Legua crenulata , Uvaroviella ( Holacla ) nebulosa and Anabropsis alata ) and seven species are new records for Narino department ( Allotettix peruvianus , Ripipteryx ecuadoriensis , Neoconocephalus affinis , Anaulacomera poculigera , Orophus conspersus , Orophus tessellatus and Neocurtilla hexadactyla ). Further comments on species distribution and taxonomy are given.