Dots show county records; shaded area shows likely general distribution.
Computer-generated distribution map, produced from records in a database available on this site.

David Weissman is currently working on a revision of the Gryllus species that occur in the western and central United States. He has concluded that Gryllus pennsylvanicus does not occur in southern California but in the West is restricted to the northern states (personal communication).

The computer-generated map shows four records near the Gulf coast based on song. These may be G. firmus but further study is needed.