Ctenostoma minusculum, the very small comb-mouthed beetle, is a species of tiger beetle. This species is found in Brazil,Catalogue of Life: Ctenostoma minusculum where it inhabits the southern Atlantic Forest.
Adults are small (5.7-5.9 mm) and brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera) The elytra are shining reddish-brown.Faune du Brésil. Description de deux nouveaux Ctenostoma, catalogue des Cicindèles (Coleoptera, Cicindelidae)
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