Leucoptera laburnella (laburnum leaf miner) is a moth in the family Lyonetiidae. It is found in most of Europe, except the European part of Russia and the southern part of the Balkan Peninsula.[1] It is also found in North America.
The forewings are white; an oblique ochreous-yellow bar from costa beyond middle, edged with dark fuscous ; a nearly vertical ochreous-yellow costal spot before apex, edged with dark fuscous parallel lines ; beneath this a pale violet -golden -metallic post-tornal spot, edged on sides with black and above with yellowish ; apex yellowish ; three diverging dark fuscous bars in apical cilia. Hindwings are whitish. The larva is green-whitish.[2]
The larvae feed on Astragalus, Chamaecytisus supinus, Genista tinctoria, Laburnocytisus adamii, Laburnum alpinum, Laburnum anagyroides, Lupinus polyphyllus and Petteria ramentacea (Fabaceae). They mine the leaves of their host plant.[3]