Ctenostoma crucifrons, the cross-faced comb-mouthed beetle, is a species of tiger beetle. This species is found in Peru,Catalogue of Life: Ctenostoma crucifrons where it inhabits low- to midland rainforests.
Adults are small (10 mm)Entomologische Blaetter 7 and brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
References