Coleophora ornatipennella larvae feed on Aleopecurus, or fox tail grass.
The larvae feed on Alopecurus, Anthoxanthum, Avena, Briza, Bromus, Dactylis glomerata, Holcus, Koeleria and Poa species. Alopecurus, or foxtail grass, is a common and widespread genus of plants in the grass family. 
