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. • P. schreberella (specimens): photo. • P. stettinensis, P. schreberella and P. cf. rajella (as alnifolia): Stainton (1855) Plate V, under Lithocolletis. • Stainton (1855), Plate V: original legend..
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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. http://delta-intkey.com’.