Cauchas is a genus of the fairy longhorn mothfamily (Adelidae). Among these, it belongs to subfamilyAdelinae.
The taxon "Cauchas" Philipp Christoph Zeller 1839 was originally created as a subgenus of the genus Adela Latreille 1796 but was raised to the genus level in 1980 by Ebbe Schmidt Nielsen .
↑Nielsen, Ebbe Schmidt (1980). "A cladistic analysis of the Holarctic genera of adelid moths (Lepidoptera: Incurvaroidea)". Insect Systematics and Evolution. 11 (2): 162-.