specialize on Onagraceae, the only Lepidopteran group to do so (1) It also feeds on members of a few other families, like Fabaceae, Melastomataceae, Rhamnaceae, etc. (Hosts)
classification history showing placement in family Momphidae by Nye and Fletcher, 1991, and placement in subfamily of Coleophoridae by Hodges in Kristensen, 1999 (Butterflies and Moths of the World)