Tettigoniidae Krauss, 1902
Decolya confusa Henry, G.M., 1934
Decolya elegans Henry, G.M., 1934
Decolya inexspectata Chopard, 1957
Decolya kalugallae Kevan, D.K.M., 1992
Decolya kelletti (Henry, G.M., 1932)
Decolya mousakandae Henry, G.M., 1934
Decolya petiyagallae Henry, G.M., 1932
Decolya phillipsi Henry, G.M., 1934
Decolya roseopicta Uvarov, 1927
Decolya splendens Henry, G.M., 1932
Decolya uvarovi Henry, G.M., 1932
Decolya visenda Bolívar, I., 1900