Ctenostoma schaumi is a species of tiger beetle. This species is found in French Guiana and Brazil.,Catalogue of Life: Ctenostoma schaumi where it inhabits the southern Atlantic forest.
Adults are brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Ctenostoma schaumi schaumi (French Guiana, Brazil) - Schaum's comb-mouthed beetle Ctenostoma schaumi pilosulum W.Horn, 1898 (Brazil) - felt-covered small comb-mouthed beetle
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