Frumenta nundinella is a moth in the Gelechiidae family. It was described by Zeller in 1873. It is found in North America, where it has been recorded from Alabama, Arkansas, Illinois, Indiana, Kentucky, Louisiana, Michigan, Mississippi, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee and Texas. The wingspan is about 24 mm. The forewings are pale buff or cream with ochreous shadings and a sparse dusting of blackish scales and with numerous, rather indefinite blackish or dark steel grey markings. The hindwings are silky cinereous with slight iridescence.