Vol. 71 No. S2 (2023): Minimalist revision of Mesochorus Gravenhorst, 1829 (Hymenoptera: Ichneumonidae: Mesochorinae) from Área de Conservación Guanacaste, Costa Rica, with 158 new species and host records for 129 species

Jim Whitfield, Daniel Janzen, Winnie Hallwachs, Paul Hebert, Isidro Chacon, Bernardo Espinoza, Eugenie Phillips-Rodriguez, Ronald Zuñiga, John Burns, Mark Metz, Alma Solis, Diana Arias, Michael J.  Sharkey, Mehrdad Hajibabaei, Brianne St. Jacques, Michelle D’Souza, Jayme Sones, Kate Perez, Ramya Manjunath, Sujeevan Ratnasingham, Suresh Naik, Alex Smith, Kathryn  McCluskey, Austin Baker (Author)

Sergio Aguilar (Author)