|Female Gryllus campestris|
Linnaeus, 1758 
Many, see text
Until the mid-1950s, native field crickets in eastern North America were all assigned to a single species, Acheta assimilis Fabricius. Although regional variation in calling song and life history were noted, no morphological characters could be found to reliably distinguish these variants. Building upon the pioneering work of Fulton, Alexander  used male calling song, life history and crosses between putative species to revise the taxonomy of gryllines in the eastern United States, and recognized five species, although at the time they were still classified in the genus Acheta.
|Wikispecies has information related to Gryllus|
|Wikimedia Commons has media related to Gryllus.|
- "Gryllus". Integrated Taxonomic Information System.
- "Field crickets — Gryllus spp". Featured Creatures. University of Florida. Retrieved 2009-02-10.
- Rehn, J.A.G., and Hebard, M. (1915). The genus Gryllus (Orthoptera) as found in America. Proc. Acad. Nat. Sci. Phila. 67:292-322.
- Fulton, B. B. 1952. Speciation in the field cricket. Evolution 6, 283-295.
- Alexander, R.D. (1957). The taxonomy of the field crickets of the eastern United States (Orthoptera: Gryllidae: Acheta). Ann. Entomol. Soc. Am. 50:584-602.
- "Gryllus". Encyclopedia of Life. Retrieved 2009-02-10.
- Species common names, BugGuide
- Long-chirp field cricket, Singing Insects of North America (SINA)
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