Ctenostoma chaudoiri, or Chaudoir's comb-mouthed beetle, is a species of tiger beetle. This species is found in Brazil,Catalogue of Life: Ctenostoma chaudoiri where it inhabits the southern Atlantic Forest.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Ctenostoma chaudoiri chaudoiri Ctenostoma chaudoiri gounellei W.Horn, 1898
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