Subgenus

Ischyra (Acrephyllum) Piza, 1973

Type

type species by original designation of Ischyra (Acrephyllum) Piza, 1973

Acrephyllum Piza, 1973: 77. (valid)
type species by original designation Acrephyllum irregulare Piza, 1973
Malkinia Piza, 1979: 1.
type species by original designation Malkinia gurupi Piza, 1979
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Malkinia Piza, 1979 (subjective synonym of Acrephyllum Piza, 1973) in Gorochov, 2026: 6.
Ischyra (Acrephyllum) Piza, 1973 in Gorochov, 2026: 6.

Chamorro-Rengifo, J. & Braun, H. (2010) The Tettigoniidae (Orthoptera) described by Salvador de Toledo Piza Jr. and deposited in the collection of the University of São Paulo, Escola Superior de Agricultura "Luiz de Queiroz", Brazil. Zootaxa, 2635, 41–66.
Gorochov, A.V. (2026) Systematics of the American katydids (Orthoptera: Tettigoniidae). Communication 13: the subtribes Microcentrina and Stilpnochlorina subtrib.n. Russian Entomological Journal, 35(1), 1–67. https://doi.org/10.15298/rusentj.35.1.01
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Piza, S.de T., Jr. (1979) Três novos ortópteros do Brasil (Tettigoniidae - Phaneropterinae). Revista de Agricultura (Piracicaba), 54(1-2), 1–5. Available at http://www.fealq.org.br/ojs/index.php/revistadeagricultura/article/view/4101
Scudder, S.H. (1862) Materials for a monograph of the North American Orthoptera including a catalogue of the known New England species. Boston Journal of Natural History, 7(3), 409–480. Available at http://www.archive.org/details/materialsformono00scudrich

Gender, form, and etymology

Etymology:

The type species was found in Acre.