Ypsolopha sylvella 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 family Ypsolophidae

Ypsolophidae

Ypsolophidae is a family of moth. They are included in the Plutellidae by many authors.-Ypsolophinae:* Phrealcia Chrétien, 1900** Phrealcia brevipalpella Chrétien, 1900** Phrealcia eximiella...

. It is found in most of 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...

.

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 18–20 mm. Adults are on wing from August to September. There is one generation per year.

The larvae feed on the leaves of Quercus species, but also on other deciduous trees such as Corylus, Carpinus betulus, Betula and Myrica gale

Myrica gale

Myrica gale is a species of flowering plant in the genus Myrica, native to northern and western Europe and parts of northern North America. It is a deciduous shrub growing to 1–2 m tall. Common names include Bog Myrtle and Sweet Gale...

. They live in a slight silken spinning. Pupation takes place in a pale brown boat-shaped cocoon under a leaf, in a crevice in bark or among plant debris on the ground.