Ctenostoma jekelii is a species of tiger beetle. This species is found in French Guiana and Brazil,Catalogue of Life: Ctenostoma jekelii where it inhabits lowland rainforests.
Adults are brachypterous and have been recorded preying on small arboreal arthropods.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Ctenostoma jekelii jekelii (French Guiana, Brazil) - Jekel's comb-mouthed beetle Ctenostoma jekelii raresculptum W.Horn, 1898 (Brazil) - rare-sculptured comb-mouthed beetle
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