Sphictostethus isodontus Roig-Alsina

ARGENTINA: Neuquén Province, Lanín, Huiliches; 24 January 2017; N. Olejnik. Host: Unidentified species ( Ctenidae), adult or immature female. The wasp pulled the paralyzed wandering spider backwards on the ground, dorsal side upward, grasping its right chelicera or pedipalp with her mandibles (Olejnik 2017) .

ARGENTINA: Rio Negro Province, Bariloche Department, Villa Lloa Lloa; 26 February 2019; M. Bacsik-Garcia (mbacsik). Host: Metaltella sp. ( Desidae) (Intertidal spider), adult or subadult female. The wasp straddled the paralyzed intertidal spider as it laid, ventral side upward, on the ground (Bacsik-Garcia 2019; I. L. F. Magalhaes and C. J. Grismado, Museo Argentino de Ciencias Naturales ”Bernardino Rivadavia”, Buenos Aires, Argentina, 2019 pers. comm.)

CHILE: La Araucanía Region, Cautin Province, Heurquehue National Park, near Pucón; March 2017; G. Bevilaqua. Host: Unidentified species ( Ctenidae), adult female. The wasp dragged the paralyzed wandering spider backwards on vegetation, dorsal side upward, grasping its 3 rd or 4 th right coxa with her mandibles (Bevilaqua 2017) .

CHILE: Los Ríos Region, Valdivia Province, Panguipulli, Neltume; 21 January 2016; J. Morice. Host: Unidentified species ( Ctenidae), adult female. The wasp pulled the paralyzed wandering spider backwards on the ground, dorsal side upward, grasping its chelicera or pedipalp with her mandibles (Morice 2016) .