British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Synonym: Phyllonorycter amyotella (Duponchel).
Associated with trees. On Fagaceae; native (deciduous) Quercus.
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Face white. Head dark golden brown. Thorax shining golden brown.
Wing-span 7–9 mm. Forewings golden golden ochreous; not clear shining white; lacking the oblique golden brown fascia from the base of the costa exhibited by P. roboris; without a basal streak; with well defined pale strigulae (these clear white, the first costal being opposite the second dorsal, and the third costal fairly inconspicuous). Costal strigulae 2, or 3. Dorsal strigulae 3. Forewings with the first costal strigula approaching a dorsal one at an acute angle; without transverse pale fasciae. Hindwing cilia whitish fuscous (with a golden sheen).
Adults abroad May and August.
Illustrations. • The 9 species on deciduous oak.
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’.