Coleophora acrisella 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 the Czech Republic

Czech Republic

The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

 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 Greece

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 and from France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 to Hungary

Hungary

Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is about 12 mm.

The larvae feed on Dorycnium hirsutum

Dorycnium hirsutum

Dorycnium hirsutum, common name: Hairy Canary Clover, is a perennial plant belonging to the genus Dorycnium of the Fabaceae family.-Description:...

and Dorycnium pentaphyllum

Dorycnium pentaphyllum

Dorycnium pentaphyllum, common name: Prostrate Canary Clover, is a herbaceous perennial plant belonging to the genus Dorycnium of the Fabaceae family. The specific Latin name pentaphyllum derives from the greek pénte meaning five and phýllon meaning leaf, referred to the shape of the...

(including Dorycnium pentaphyllum germanicum). They mine

Leaf miner

Leaf miner is a term used to describe the larvae of many different species of insect which live in and eat the leaf tissue of plants. The vast majority of leaf-mining insects are moths , sawflies and flies , though some beetles and wasps also exhibit this behavior.Like Woodboring beetles, leaf...

the leaves of their host plant. They create a strongly arched composite leaf case of 7-8 mm. The case consists of a number of mined leaflets placed transversely on top of each other, resulting in a somewhat helicoidal case. The mouth opening is located more or less to the side. The larvae can be found on the underside of the leaves. There are often several larvae on the same leaflet.

Part of the larvae develop into adults before summer, another group of adults emerges in autumn and a third group hibernates and produces adults after winter.