The diplotaxine genus Ceratogonia Kolbe, 1899 is revised. Currently, it includes only the species C. bicornuta (Kolbe, 1899), which is redescribed and has its male genitalia figured for the first time. Ceratogotiia marshalli (Arrow, 1902) and C. bilaminiceps (Benderitter, 1920) are considered junior subjective synonyms of C. bicornuta. The synonymy of C. kraatzi (Dalla Torre, 1912) with Dichecephala ovata (Fåhraeus in Boheman, 1857) is confirmed. Lectotype and paralectotype designations are provided for following species: Apogonia (Ceratogonia) bicornuta, A. (C.) marshalli and A. ovata. Neotype is designated for A. (C.) kolbei Kraatz, 1899.
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