Ctenostoma johnsoni, or Johnson's comb-mouthed beetle,A Treatise on the Western Hemisphere Caraboidea (Coleoptera) is a species of tiger beetle. This species is found in Ecuador,Catalogue of Life: Ctenostoma johnsoni where it has only been recorded from central west slope of the Ecuadorian Andes.
Adults are small in size (8.5 mm) and have a shiny dark brown colour, with a broad bright yellow middle band and bright yellow large spot on the elytra.The Tiger Beetles of Ecuador: Their Identification, Distribution And Natural History (Coleoptera: Cicindelidae)
References