Propodeum of Piasites, dorsal view, females (II): A P. nigricollis sp. nov. (holotype) B P. orbitalis sp. nov. (holotype) C P. lineatus sp. nov. (paratype) D P. seyrigi sp. nov. (paratype). Scale bars: 0.3 mm.

  Part of: Bordera S, Santos BF (2022) A review of Piasites Seyrig (Hymenoptera, Ichneumonidae, Cryptinae), with description of seven new species. Journal of Hymenoptera Research 90: 23-57.