Nogales, Santa Cruz County, Arizona
July 4, 2017
Size: 9 mm
Coordinates: 31.335223, -110.938017
Elevation: 3,932 ft
I saw several spiders leaving a recently mowed Bermuda grass lawn. Then, I observed a couple of these wasps carrying Hogna antelucana (wolf spiders) over a brick paver patio. I managed to catch one wasp and noticed that the spider’s legs had been severed
Determined by Salvador Vitanza
Confirmed by Nick Fensler