British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
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 white, or white and fuscous. Collar light ochreous. Thorax white and fuscous; not shining-metallic; without a median pale streak.
Wing-span 8–9 mm. Forewings pale shining ochreous, or golden ochreous; not clear shining white; with a well defined basal streak (this traversing about a third of the wing). The basal streak pale; not dark-edged above. Forewings with well defined pale strigulae (four costal, two dorsal). Costal strigulae 4. Dorsal strigulae 3. Forewings with the first costal strigula approaching a dorsal one at an acute angle; without transverse pale fasciae. Hindwing cilia white to fuscous (or brownish). Posterior tarsi whitish, without dark spots.
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’.