By enlarging the image, I can discern the very short spine at the apex of the third antennomere.
Also - the elytra appear to be nearly glabrous at the base - the similar P. pertenuis would have long erect setae in that position.… Robert Androw
yard, Newburyport, MA
https://bugguide.net/node/view/898110
https://www.inaturalist.org/observations/291378523