British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Associated with shrubs. On Salicaceae; Salix (mainly sallows, S. caprea and S. cinerea).
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Face white. Head fuscous. Thorax brassy ochreous; shining-metallic to not shining-metallic; somewhat brassy; with a conspicuous median pale streak to without a median pale streak.
Wing-span 8–10 mm. Forewings golden ochreous; not clear shining white; not suffused throughout with fuscous; with a well defined basal streak (this sinuous, traversing about quarter of the wing). The basal streak pale; sinuous; not dark-edged above. Forewings with well defined pale strigulae (these set in pairs, white becoming slightly brassy outwards). Costal strigulae 4. The first costal strigula not basipetally extended along the costa. Dorsal strigulae 3, or 4. Forewings with the first costal strigula approaching a dorsal one at an acute angle; with one transverse pale fascia (via the first pair of strigulae), or without transverse pale fasciae (the fascia usually narrowly interrupted on the angle). The fascia (or the interrupted fascia) angulated. Hindwing cilia light fuscous.
Adults abroad May and August.
Illustrations. • 5 species on Salix in Britain. See notes for legend. • P. salicolella (specimens): photo. • P. viminetorum, P. salicolella and P. salictella viminiella: Stainton (1855) Plate I, under Lithocolletis. • Stainton (1855), Plate I: original legend..
To view illustrations with legends giving names in current use, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa, as well as source references and other relevant material.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the genus Phyllonorycter (Lepidoptera-Gracillariidae). Version: 29th December 2011. http://delta-intkey.com’.