Coleophora ditella is a moth of the Coleophoridae family. It is found from Germany to the Iberian Peninsula, Italy and Bulgaria. The larvae feed on Achillea millefolium, Artemisia alba, Artemisia campestris, Artemisia maritima, Artemisia vulgaris, Aster linosyris, Helichrysum and Tanacetum cinerariifolium. They create a tubular, two-valved, black sheath case, somewhat narrowed behind the mouth. The rear end is narrowed and flattened. The case has a length of up to 10 mm. The mouth angle is about 20°. Larvae can be found from September to June.