In Champion (1898) and in Drake & Poor (1937) there are illustrations of the species. There is a key to identify the species of Leptocysta and an illustration of L. sex-nebulosa in Monte (1946). In Montemayor (2010) there is an updated key to identify the species of the genus and drawings of the main diagnostic characters of L. sex-nebulosa . This species feeds on economically important plants (Stonedahl et al. 1992). The contributions that provide information about the distribution of this species in Argentina are: Berg (1884), Drake (1936), Monte (1946) and Montemayor (2010).
Antennaria sp.; Ipomea sp.; Ipomea batatas ; Mikania sp.; Vernonia sp..