Gypsonoma dealbana (Fröhlich,1828)
common cloaked shoot
Salix triandra, Hoek van Holland, 14.ix.2018 © Jan Scheffers
Populus x canadensis, ter Heijde, 19.x.2018 © Jan Scheffers
In the autumn the larva causes window feeding, while living is a quickly widening, frass-covered, silken tube that is attached to the underside of a leaf. Hibernation in a silken tube on a shoot. In the spring the larva bores into buds or catkins.
Betulaceae, Salicaceae, etc.
distribution within Europe
Hancock & Bland describe the larva as follows: “Head yellowish brown to black. Body yellowish or pale pinkish white; pinacula greyish brown; prothoracic plate yellowish brown with darker margins or black; thoracic legs and anal plate dark brown.” At no essential point there is a difference here with the larva of G. oppressana. Contrariwise, Lepiforum (2018) presents pictures of oppressana larvae with a dark grey body; it should be noted however that these larvae have already hibernated and were feeding on buds.
Bradley, Tremewan & Smith (1979a), Buhr (1964b, 1965a), Hancock & Bland (2015b), Kopelke (1985a), Tomasi (2014a).