British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)


L. Watson and M. J. Dallwitz

Phyllonorycter roboris (Zeller)

Synonym: Phyllonorycter roborella (Stainton).

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 coloured (light brown basally, whitish acropetally). Face shining white. Head whitish. Thorax white.

Wing-span 7–9 mm. Forewings shining white; clear shining white with coloured markings; exhibiting conspicuous transverse dark (black-edged, ochreous) fasciae (with an oblique golden brown fascia from the base of the costa, and a narrow angulated one beyond the middle); with a conspicuous, very oblique, golden brown and posteriorly fuscous-edged fascia from the base of the costa; without a basal streak; exhibiting coloured strigulae and fasciae on a white background, and thus uninterpretable in the usual descriptive terms. Hindwing cilia white.

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.’.