Gypsonoma dealbana
Encyclopedia
Gypsonoma dealbana 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 Tortricidae
Tortricidae
Tortricidae is a family of moths, commonly known as tortrix moths, in the order Lepidoptera. Tortricidae is a large family with over 9,400 species described, and is the sole member of the superfamily Tortricoidea. Many of these are economically important pests. Olethreutidae is a junior synonym...

 family. 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...

. It is also found in the Near East
Near East
The Near East is a geographical term that covers different countries for geographers, archeologists, and historians, on the one hand, and for political scientists, economists, and journalists, on the other...

 and the eastern part of the Palearctic ecozone.

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 11-14 mm. Adults are on wing from July to August.

It is the most variable of the species in the Gypsonoma
Gypsonoma
Gypsonoma is a genus of moths belonging to the subfamily Olethreutinae of the family Tortricidae.-Species:*Gypsonoma aceriana *Gypsonoma adjuncta Heinrich, 1924*Gypsonoma aechnemorpha Diakonoff, 1982...

genus in general coloration and clarity of the forewing markings. The white ground color can be overlaid by a plumbeous or brownish grey suffusion with markings less distinct and often partially obscured.

The larvae feed on a various deciduous trees, including Salix, Populus, Crataegus
Crataegus
Crataegus , commonly called hawthorn or thornapple, is a large genus of shrubs and trees in the rose family, Rosaceae, native to temperate regions of the Northern Hemisphere in Europe, Asia and North America. The name hawthorn was originally applied to the species native to northern Europe,...

, Quercus and Corylus species. They window feed on the leaves in autumn and eat the buds, catkins, young shoots and then spun leaves in the spring. Pupation takes place in a cocoon in the larval habitation or in the soil.
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