Dahlica was established in the Diptera for a single apterous female misidentified by Dahl, 1911, Zool. Anz. 40: 264; it was transferred to the Lepidoptera, Psychidae, by Stys, 1960, Cas. Ceské Spol. ent. 57: 81.
DAHLICA was included within the subfamily PSYCHIDAE: NARYCIINAE by Davis & Robinson, in Kristensen (1999).