The larva is green; dorsal and subdorsal lines darker; head and plate of 2 yellowish-green. The larvae feed on the catkins and later the leaves of willows in May and June.[2]
Pupa
The blackish brown pupa can be found in a silken cocoon, spun between two leaves of the foodpant in June and July.[2]
Imago
The wingspan is 17–20 mm. The head and thorax are grey. The forewings are grey, closely striated with whitish . The basal patch and a subtriangular central costal blotch are fuscous, black-marked, the apex of blotch truncate, marked with a black dash. The costa posteriorly is fuscous-spotted with a darker black-dotted subterminal mark in middle. The hindwings are grey, darker posteriorly.
[3] Julius von Kennel provides a full description. [4]
Adults are on wing from July to August, flying from late evening onwards and coming to light and sugar. [1]. During the day they rest in foliage and are not usually easily disturbed.[2]
Distribution
It is found in most of Europe, from Ireland to Russia.[5]
Notes
^The flight season refers to Great Britain and Ireland. This may vary in other parts of the range.
^ abcBradley, J D; Tremewan, W G; Smith, Arthur (1979). British Tortricoid Moths. Tortricidae: Olethreutinae. London: The Ray Society. pp. 44–6. ISBN0-903874-06-7.
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description
