Exochus asper Gravenhorst, 1829:694 - As Orthocentrus asper: - Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83. (distribution).
Orthocentrus incisus Gravenhorst, 1829:361, Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42, Type ♂ (MNHW, Gravenhorst collection). - Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42 ( listed as synonym of Orthocentrus asper (Gravenhorst, 1829)).
Orthocentrus discolor Holmgren, 1858:332, Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42, Lectotype ♀ (NHRS). - Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42 ( listed as synonym of Orthocentrus asper (Gravenhorst, 1829)).
Phaenosemus sitkensis Ashmead, 1902:231, Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42, Type ♂ (USNM, No 5677). - Humala, 2019Humala, A.E. 2019. Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae). Zootaxa 4709:1-83.:42 ( listed as synonym of Orthocentrus asper (Gravenhorst, 1829)).