British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)


L. Watson and M. J. Dallwitz

Phyllonorycter oxyacanthae (Frey)

Associated with shrubs. On Rosaceae; Crataegus.

Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.

Adults. Face white. Head dark fuscous. Collar brown and white. Thorax ochreous; with a conspicuous median pale streak.

Wing-span 7–8 mm. Forewings fuscous orange (in the male), or brownish orange (in the female); with a well defined basal streak (this straight, fairly narrow, traversing about a third of the wing). The basal streak pale; dark-edged above. Forewings with well defined pale strigulae (these white). Costal strigulae 4 (white). Dorsal strigulae 2, or 3–4 (sometimes with one or two obscurely discernable within the fringe line). Forewings with the first costal strigula approaching a dorsal one at an acute angle; without transverse pale fasciae. Hindwing cilia slightly golden fuscous. Posterior tarsi with dark spots.

Adults abroad May and August.

Illustrations. • Phyllonorycter oxyacanthae and a common food-plant.

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Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the genus Phyllonorycter (Lepidoptera-Gracillariidae). Version: 29th December 2011.’.