British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae) | |
Associated with trees. On Ulmaceae; Ulmus.
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Antennae black, white-tipped. Face leaden metallic grey. Head black. Thorax shining-metallic; silvery or leaden (or leaden).
Wing-span 6–8 mm. Forewings shining orange or golden orange, or brownish orange; without a basal streak; with well defined pale strigulae (these silvery). Costal strigulae 3. Dorsal strigulae 3. Forewings with two transverse pale fasciae (via coalescence of the first two pairs). Hindwing cilia light fuscous (darkened apically).
Adults abroad May and August.
Illustrations. • Phyllonocycter species on Elm.
To view the illustrations with detailed captions, 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.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the genus Phyllonorycter (Lepidoptera-Gracillariidae). Version: 18th September 2008. http://delta-intkey.com’.