Melanoplus packardii, known generally as the "Packard's grasshopper", is a species of spur-throated grasshoppers in the family Acrididae. It is found in North America.
References
Capinera J.L, Scott R.D., Walker T.J. (2004). Field Guide to Grasshoppers, Katydids, and Crickets of the United States. Cornell University Press. Otte, Daniel (1995). "Grasshoppers [Acridomorpha] C". Orthoptera Species File 4, 518.
Further reading
NCBI Taxonomy Browser, Melanoplus packardii Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press.