Type species: Heliozela praeustella van Deventer, 1904. Tijdschrift voor Entomologie 47: 7; pl. 1, fig. 3. By original designation. Corythoxestis was established in the Heliodinidae, and subsequently included in the "Schreckensteiniadae" by Fletcher, 1929. Memoirs of the Department of Agriculture of India (Entomology) 11: 57. It was transferred to the Gracillariidae on the advice of J. Kyrki (Nye & Fletcher 1991: 80).