Priocnemis (Priocnemis) cornica (Say)

IL: Clinton County, Carlyle Lake, Eldon Hazlet State Park; August 2017; R. Curtis. Host: Pardosa lapidicina Emerton (Lycosidae) (Stone spider), adult or subadult female. The wasp pulled the immobilized stone spider from shallow water, grasping its spinnerets with her mandibles after stinging it. (R. Curtis, Chicago, IL, 2018 pers. comm.).