Ctenostoma onorei is a species of tiger beetle. This species is found in Colombia and Ecuador,Catalogue of Life: Ctenostoma onorei where it is found in lowland forests.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Adults are large in size (14–15 mm) and have a shiny black to dark brown colour.The Tiger Beetles of Ecuador: Their Identification, Distribution And Natural History (Coleoptera: Cicindelidae)
Subspecies Ctenostoma onorei onorei (Ecuador) - Onore's comb-mouthed beetle Ctenostoma onorei colombiense Naviaux, 1998 (western Colombia) - Colombian comb-mouthed beetle
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