British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
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.
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’.