Genus Semidalis Enderlein, 1905

Semidalis Enderlein, 1905b: 197 . Type species: Coniopteryx aleyrodiformis Stephens, 1836: 116 .

Alema Enderlein, 1905a: 226 . Type species: Alema boliviensis Enderlein, 1905a: 226 .

Alemella Enderlein, 1906: 208 . Type species: Alemella boliviensis Enderlein, 1905a: 226 .

Niphas Enderlein, 1908: 12 . Type species: Niphas absurdiceps Enderlein, 1908: 12 .

Parasemidalis Roepke, 1916: 156 . Type species: Parasemidalis decipiens Roepke, 1916: 157 .

Protosemidalis Karny, 1924: 474 . Type species: Protosemidalis pluriramosa Karny, 1924: 476 .

Metasemidalis Karny, 1924: 478 . Type species: Protosemidalis decipiens Roepke, 1916: 157 .

Ahlersia Enderlein, 1929: 221 . Type species: Coniopteryx pulchella Mclachlan, 1882: 173 .