British Insects: the Genus Phyllonorycter (Lepidoptera-Gracillariidae)
Associated with herbs. On Leguminosae; Ononis and Trifolium.
Larvae. The larvae mining in leaves; in the under-side. Found in July, or September to October.
Adults. Face white to silvery. Head dark sepia brown. Thorax shining golden saffron yellow.
Wing-span 5–7 mm. Forewings golden ochreous, or golden orange; not clear shining white; with a well defined basal streak (this straight, traversing about a third of the wing). The basal streak pale; dark-edged above. Forewings with well defined pale strigulae (silvery white). Costal strigulae 4. Dorsal strigulae 3. Forewings with the first costal strigula not forming an acute angle with a dorsal one; with one transverse pale fascia (via coalescence of the first pair of strigulae, which are unrecognisable as discrete entities). The fascia only slightly bent. Hindwing cilia light fuscous fuscous.
Adults abroad May and August.
Illustrations. • Phyllonorycter insignitella,with food-plants.
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’.