Dystebenna
Encyclopedia
Dystebenna is a genus of 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...

s of the Elachistidae
Elachistidae
| image = Elachista rufocinerea 2.jpg| image_width = 240px| image_caption = Adult Elachista rufocinerea,demonstrating its tiny size versus an aphid and a spider mite | regnum = Animalia| phylum = Arthropoda| classis = Insecta...

 family. It contains only one species Dystebenna stephensi, which is found in central Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, southern Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

, the Crimea
Crimea
Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...

 and western Transcaucasia.

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 8-9 mm. Adults are on wing from the end of June to the beginning of September in one generation per year.

The larvae feed on Quercus and Castanea
Castanea
Castanea can mean:* Castanea , a plant genus including the chestnuts and chinkapins* Castanea, Pennsylvania, a census-designated place * Castanea Township, Pennsylvania, which surrounds the CDP of the same name...

species. They feed within the bark of their host plant. They prefer mature trees. Pupation takes place in the bark mine. The species overwinters in the pupal stage.

Taxonomy

The genus is mostly placed in the Elachistidae
Elachistidae
| image = Elachista rufocinerea 2.jpg| image_width = 240px| image_caption = Adult Elachista rufocinerea,demonstrating its tiny size versus an aphid and a spider mite | regnum = Animalia| phylum = Arthropoda| classis = Insecta...

 family, but other authors list it as a member of the Agonoxenidae
Agonoxenidae
The Agonoxenidae are a family of moths only contains four named species in the whole world – all in the type genus Agonoxena – if the Blastodacnidae are considered to be a separate family...

family.
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