Lethata aromatica is a moth of the Depressariidae family. It is found in Brazil (São Paulo, Paraná, Espirito Santo, Santa Catarina) and Colombia. The wingspan is about 22 mm. The forewings are brownish-ochreous, with some scattered black and fuscous scales, the costa narrowly suffused with dull light rosy. There is a small purplish-fuscous spot on the middle of the costa, where a faint hardly definable fuscous shade runs to one-fourth of the dorsum. The second discal stigma is represented by a slight fuscous mark. The hindwingsare ochreous-grey-whitish, the dorsal half suffused with light grey.