Mexican species of the genus Orthocentrus (Hymenoptera, Ichneumonidae: Orthocentrinae) Author Humala, Andrei E. text Zootaxa 2019 2019-12-12 4709 1 1 83 journal article 24539 10.11646/zootaxa.4709.1.1 b9d039b4-fce1-4dce-b297-a35f74b0eeac 1175-5326 3587263 10C21FBA-C547-48CD-BC87-07F8BA8AC3EC Orthocentrus pentagonum Broad, 2014 ( Fig. 21 ) Orthocentrus pentagonum Broad in Veijalainen et al. , 2014: 209–210 [ holotype female (BMNH), ‘ Costa Rica , Sn José Pv. [ San José Province], Cerro de la Muerte, Quercus forest, 2700 m , VII.88 , Gauld & Mitchell’]. https://species-id.net/wiki/ Orthocentrus _pentagonum Material examined. 1♀ , México , Oaxaca , Municipio Comaltepec , La Esperanza , 1600 m , N 17.62601° , W 96.36950° , 2–12.VIII.2008 , MT, Bosque Lluvioso de Montaña , leg. A. López-Garcia ( UNAM ) ; 1♀ , México , Tamaulipas , 6 km NE Miquihuana , N 23.601° , W 99.707° , 2600–2700 m , 24.IX.2016 , leg. A. E. Humala ( ZISP ) . Distribution . Costa Rica ; Mexico ( Tamaulipas , Oaxaca ). The species is new to Mexico . Comments . This species differs in larger fore wing areolet, a smaller number (20–21) of antennal flagellomeres, smaller ocelli, darker dorsal surface of the scape, and more strongly sculptured propodeum and second tergite. Both Mexican specimens of this species belonging to O. shieldsi species-group fit well to the original description and collected at mid and high-altitude sites.