genus

Keyopsis Ronderos & Cigliano, 1993

Keyacris palidiventer Ronderos & Cigliano, 1991 type species of Keyopsis Ronderos & Cigliano, 1993

Keyacris Ronderos & Cigliano, 1991: 173. (homonym)
type species by original designation Keyacris palidiventer Ronderos & Cigliano, 1991
Keyacris Ronderos & Cigliano, 1991 (homonym of Keyacris Rehn, 1952)
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Keyacris Ronderos & Cigliano, 1991 (replaced by Keyopsis Ronderos & Cigliano, 1993) in Ronderos & Cigliano, 1993: 230.
Keyopsis Ronderos & Cigliano, 1993 in Otte, 1995: 365.

Otte, D. (1995) Orthoptera Species File 4. Grasshoppers [Acridomorpha] C. The Orthopterists' Society and The Academy of Natural Sciences of Philadelphia, Philadelphia, 518 pp.
Rehn, J.A.G. (1952) In The grasshoppers and locusts (Acridoidea) of Australia. I. Families Tetrigidae and Eumastacidae. CSIRO, Melbourne. 1–326 pp.

Ronderos, R.A. & Cigliano, M.M. (1991) The Andean Dichroplini: cladistic analysis with description of Keyacris n. gen. and Ponderacris n. gen. (Orthoptera: Acrididae: Melanoplinae). Transactions of the American Entomological Society, 117(3-4), 167–191.
Ronderos, R.A. & Cigliano, M.M. (1993) Keyopsis nom. nov. for the junior homonym Keyacris Ronderos and Cigliano (Orthoptera: Acridoidea). Transactions of the American Entomological Society, 119, 230.