Length: 17 - 22 mm
Despite the mention of Pennsylvania in the common and scientific names, this species ranges widely over North America, from southern Canada through most of the United States and southward into Mexico. In the southeastern United States it is replaced by other species ofGryllus. All told there are sixteen Nearctic species in the genus.
Photo data: 14 October 2005, Blackwater National Wildlife Refuge, Dorchester County, Maryland (upper photo). 24 August 2012, Grasslands National Park, Saskatchewan (lower photo).