Tettigoniidae Krauss, 1902
Idiarthron atrispinum (Stål, 1874)
Idiarthron carinatum Beier, 1960
Idiarthron cerosum Bowen-Jones, 2000
Idiarthron dentatum Beier, 1962
Idiarthron furcatum Saussure & Pictet, 1898
Idiarthron hammuliferum Beier, 1960
Idiarthron hamuliferum Beier, 1960
Idiarthron incurvum (Stål, 1875)
Idiarthron major Hebard, 1927
Idiarthron subnotatum Brunner von Wattenwyl, 1895
Idiarthron subquadratum Saussure & Pictet, 1898
