Pelham, Hampshire County, Massachusetts, USA October 9, 2011 Size: ~11 mm
More shots of this wasp here, showing it struggling to free a paralyzed wolf spider that had gotten caught in another spider's web. It abandoned the wolf spider after finally getting it free.
Contributed by Charley Eiseman on 21 February, 2012 - 6:14pm Last updated 2 October, 2015 - 4:09pm