British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Synonym: Phyllonorycter faginella (Zeller).
Associated with trees. On Fagaceae; Fagus sylvatica.
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Face white. Head fuscous. Thorax fuscous; with a conspicuous median pale streak.
Wing-span 7–9 mm. Forewings pale golden ochreous (darkening before the strigulae); not clear shining white; with a well defined basal streak (this fairly straight, to near the middle). The basal streak pale; dark-edged above to not dark-edged above. Forewings with well defined pale strigulae (these rather dull white). Costal strigulae 4. 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 strigula perhaps meeting the third dorsal), or without transverse pale fasciae. Hindwing cilia pale fuscous. Posterior tarsi whitish, without dark spots.
Adults abroad May and August.
Illustrations. • P. maestingella with food-plant. • P. mespilella (as torminella), P. spinicolella and P. maestingella (as faginella): Stainton (1855) Plate III, under Lithocolletis. • Stainton (1855), Plate III: 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’.