British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)

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L. Watson and M. J. Dallwitz

Phyllonorycter geniculella (Ragonot)

Synonym: Phyllonorycter acernella (Zeller).

Associated with trees. On Aceraceae; Acer pseudoplatanus.

Larvae. The larvae mining in leaves; in the under-side. Found in July and October.

Adults. Antennae whitish fuscous. Face white. Head white. Thorax white.

Wing-span 7–9 mm. Forewings shining white; clear shining white with coloured markings; exhibiting conspicuous transverse dark (black-edged, ochreous) fasciae; lacking the oblique golden brown fascia from the base of the costa exhibited by P. roboris; without a basal streak; with well defined pale strigulae to lacking well defined pale strigulae (uninterpretable in the usual terms, the wing giving the appearance of golden yellow strigulae and fasciae on a white background). The last fascia straight. The antemedian fascia acutely angulated. Hindwing cilia light fuscous.

Adults abroad May and August.

Illustrations. • Species on Aceraceae. • Phyllonorycter geniculella (specimen): 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’.

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