British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae) | |
Associated with trees. On Betulaceae; Alnus.
Larvae. The larvae mining in leaves; in the upper-side. Found in July and October.
Adults. Antennae blackish, white-tipped. Face shining white. Head black (or blackish). Thorax not shining-metallic.
Wing-span 6–7 mm. Forewings shining brownish golden ochreous, or golden orange, or brownish orange; not clear shining white; without a basal streak; with well defined pale strigulae (these shining silvery white). Costal strigulae 4, or 5. The fasciae and strigulae inwardly sharply dark-edged. Dorsal strigulae 4 (the third dorsal between the third and fourth costals). Forewings with the first costal strigula not forming an acute angle with a dorsal one; with two transverse pale fasciae (via the first two pairs of strigulae, which are indistinguishable as entities).
Adults abroad May and August.
Illustrations. • Phyllonorycter species on Alder.
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’.
