Two stored grain pests of the genus Tribolium Macleay, 1825 (Coleoptera: Tenebrionidae) are newly recognized in Korea: T. freemani Hinton, 1948, and T. madens (Charpentier, 1825). Their morphological diagnosis, adult and larval pictorial identification keys, and the mitochondrial COI barcode sequences of genus Tribolium are provided.