British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Associated with shrubs. On Corylaceae; Corylus.
Larvae. The larvae mining in leaves; in the upper-side. Found in July, or September to October.
Adults. Antennae grey. Head dirty white and fuscous. Thorax without a median pale streak.
Wing-span 7–8 mm. Forewings light to medium golden ochreous; not clear shining white; with a well defined basal streak (this narrow, reaching to one third or more). The basal streak pale; straight, neither markedly long and slender nor sinuate; not dark-edged above. Forewings with well defined pale strigulae (four costal, three dorsal). Costal strigulae 4. The first costal strigula extended basipetally along the costa. Dorsal strigulae 3. Forewings with the first costal strigula approaching a dorsal one at an acute angle; with one transverse pale fascia (the third costal joining the third dorsal). Hindwing cilia light fuscous. Posterior tarsi with dark spots.
Adults abroad May and August.
Illustrations. • Phyllonocycter species on Hazel. • P. corylifoliella, P. coryli and P. quinnata (as carpinicolella): Stainton (1855) Plate II, under Lithocolletis. • Stainton (1855), Plate II: original legend..
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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’.