Coleophora ditella is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Coleophoridae

Coleophoridae

| name = Case-bearers| image = Coleophoridae-01 .jpg| image_width = 240px| image_caption = Adult of an unidentified case-bearer species| regnum = Animalia| phylum = Arthropoda| classis = Insecta| ordo = Lepidoptera| superfamilia = Gelechioidea...

 family. It is found from Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 to the Iberian Peninsula

Iberian Peninsula

The Iberian Peninsula , sometimes called Iberia, is located in the extreme southwest of Europe and includes the modern-day sovereign states of Spain, Portugal and Andorra, as well as the British Overseas Territory of Gibraltar...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

.
The larvae feed on Achillea millefolium, Artemisia alba, Artemisia campestris

Artemisia campestris

Artemisia campestris L. is a species of herbaceous biennial or perennial plants in the genus Artemisia that grows in open sites on dry sandy soils throughout the Boreal Kingdom.-External links:** in Flora of North America...

, Artemisia maritima

Artemisia maritima

Artemisia maritima is a species of wormwood known as sea wormwood and old woman.In its many variations of form it has an extremely wide distribution in the northern hemisphere of the Old World, occurring mostly in saltish soils...

, Artemisia vulgaris

Artemisia vulgaris

Artemisia vulgaris is one of several species in the genus Artemisia which have common names that include the word mugwort. This species is also occasionally known as Felon Herb, Chrysanthemum Weed, Wild Wormwood, Old uncle Henry, Sailor's Tobacco, Naughty Man, Old Man or St...

, 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.