British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)


L. Watson and M. J. Dallwitz

Phyllonorycter harrisella (Linnaeus)

Synonyms: Phyllonorycter cramerella (Fabricius), Phyllonorycter tenella (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. Antennae white to the base (becoming greyish distally). Face white. Head white. Thorax white.

Wing-span 7–10 mm. Forewings shining white (towards the base), or golden ochreous (tinged, towards their tips); clear shining white with coloured markings (plain from the base to beyond the middle); lacking dark transverse fasciae; without a basal streak (the basal part of the wing being white); uninterpretable in the usual terms descriptive terms of “strigulae” and transverse “fasciae”. Hindwing cilia white (on the costa), or fuscous.

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.’.