Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: Polysphincta genus-group Author Khalaim, Andrey I. Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. & Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia. Author Ruíz-Cancino, Enrique Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. Author Coronado-Blanco, Juana María Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria, Tamaulipas, Mexico. text Zootaxa 2024 2024-05-28 5458 2 151 196 http://dx.doi.org/10.11646/zootaxa.5360.3.8 journal article 10.11646/zootaxa.5458.2.1 1175-5326 11369805 3434A429-E512-4C57-B0C0-8B95E74DC31C 2. Flacopimpla nigriceps ( Walsh, 1873 ) Polysphincta nigriceps Walsh 1873: 144 [ (lost), USA ,? Illinois ]. Synonyms: Polysphincta braucheri Cushman, 1920 ( Townes 1944: 52 ). Polysphincta californiensis Cushman, 1920 ( Townes 1944: 52 ). Polysphincta crosbyi Cushman, 1920 ( Townes 1944: 52 ).? Polysphincta nigrita Walsh, 1873 ( Townes 1944: 52 ). Clistopyga nigrocephala Davis, 1898 ( Townes 1944: 52 ). References. Cushman 1920: 32 [ Polysphincta ( Zatypota ) nigrocephala ; description; USA ( Illinois , Indiana , D.C.)], 33 [ P. ( Z. ) braucheri ; USA ( Michigan , Indiana )], 34 [ P. ( Z. ) californiensis ; USA ( California )], 35 [ P. ( Z. ) crosbyi ; USA ( New York )]. Townes 1944: 52 [catalogue; Zatypota ; new synonymy]. Townes & Townes 1960: 273 [ Zatypota ; description; Canada , USA ]. Gauld & Dubois 2006: 550 [ Flacopimpla (comb.)]. Khalaim & Ruíz-Cancino 2011: 3 [in key]. Material examined. MEXICO . Tamaulipas : 1 ♀ ( UAT ) NW of Cd. Victoria , Los Troncones (park), 27.ii.2009 , coll. A.I. Khalaim. Querétaro : 1 ♀ ( UAT ) Santa María Magdalena , cultivo de sorgo ( Sorghum ), 13.xi.1998 , coll. L. Rivera & J.L. Cozar. Distribution. Canada, USA (almost everywhere), Mexico ( Tamaulipas , Querétaro ). First record from Mexico . Biology. Reared from cocoons on Alnus ( Betulaceae ) and Malus ( Rosaceae ), and one specimen was taken at light ( Townes & Townes 1960 ).