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For Insects, Spiders & Their Kin
For the United States & Canada
Crickets of the genus Gryllus in the United States (Orthoptera: Gryllidae: Gryllinae)
By DAVID B. WEISSMAN, DAVID A. GRAY
Magnolia Press, 2019
ISBN: 978-1-77670-823-9
Cite: 1761433 with citation markup [cite:1761433]
Zootaxa Vol. 4705, No. 1

Gryllus field and wood crickets of the United States, mostly west of the Mississippi River, are reviewed and revised.”

Freely available on the SINA web site
I was just searching for this 277 page revision, and happily found it's available via a link under its citation in the "References" section at the bottom of the Gryllus page on the "Singing Insects of North America" web site.

Note it's a large PDF (88.5 MB)...the direct link is:

  https://sina.orthsoc.org/s464wg2019.pdf