Appearance
The wingspan is 11–14 mm. These moths have a creamy-white patch on the front of the head. ''Gypsonoma dealbana'' is the most variable of the species in the genus ''Gypsonoma'' 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.Distribution
This species can be found in most of Europe. It is also found in the Near East and the eastern part of the Palearctic ecozone. These moths live in well wooded areas.Behavior
Adults are on wing from July to August. The larvae feed on a various deciduous trees, including ''Salix'', ''Populus'', ''Crataegus'', ''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.References:
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