Ctenostoma schmalzi is a species of tiger beetle. This species is found in Paraguay and Brazil,Catalogue of Life: Ctenostoma schmalzi where subspecies schmalzi inhabits the southern Atlantic forest and subspecies paraguayense is found in the gallery forests of the South American Campos ecosystem.
Adults are brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Ctenostoma schmalzi schmalzi (Brazil) - Schmalz's comb-mouthed beetle Ctenostoma schmalzi paraguayense Brouerius van Nidek, 1956 (Paraguay) - Paraguayan small comb-mouthed beetle
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