British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Synonym: Phyllonorycter klemannella (misspelling).
Associated with trees. On Betulaceae; Alnus.
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Face coloured (brassy). Head orange. Thorax shining-metallic; brassy.
Wing-span 7–9 mm. Forewings shining brownish orange (or ochreous orange); without a basal streak; with well defined pale strigulae (these white, paired). Costal strigulae 4. The fasciae and strigulae inwardly sharply dark-edged. Dorsal strigulae 4. Forewings with two transverse pale fasciae (via coalescence of the first two pairs of strigulae, which are indistinguishable as entities); with two costal spots beyond the second fascia. Hindwing cilia fuscous.
Adults abroad May and August.
Illustrations. • Phyllonorycter species on Alder. • P. kleemannella (as klemanella) and 5 other species: Hübner, 1796–1819.
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’.