British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Associated with trees. On Carpinaceae (rarely), or Fagaceae; Carpinus (rarely), native (deciduous) Quercus (sometimes), Quercus ilex (evergreen) (usually).
Larvae. The larvae mining in leaves; in the under-side. Found in March to April, or July, or September to October.
Adults. Face white. Head yellow. Thorax yellow.
Wing-span 8–10 mm. Forewings light golden ochreous; not clear shining white; with a well defined basal streak (this narrow, reaching almost to the middle). The basal streak pale; dark-edged above. Forewings with well defined pale strigulae. Costal strigulae 4; faintly pale yellow. Dorsal strigulae 4. Forewings with the first costal strigula approaching a dorsal one at an acute angle; without transverse pale fasciae. Hindwing cilia fuscous.
Adults abroad May, August, and November.
Illustrations. • The 9 species on deciduous oak. • British Phyllonorycter (Lithocolletis: 49 species). • P. acerifoliella (as sylvella), P. messaniella and P. ulmifoliella: Stainton (1855) Plate VI, under Lithocolletis. • Stainton (1855), Plate VI: original legend.. • Phyllonorycter messaniella (specimens): photo.
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’.