About Lyonetia clerkella (Linnaeus, 1758)
Lyonetia clerkella, commonly known as the apple leaf miner, is a moth species belonging to the family Lyonetiidae. It can be found across Europe, north-western Siberia, the Far East, northern Africa, the Middle East, Turkey, India, and Japan. This species has a wingspan of 7 to 9 millimeters. Its forewings are shining white, and sometimes partially or entirely suffused with fuscous. A brown or darker fuscous blotch is present in the posterior disc, a bent transverse line sits beyond this blotch, and three costal streaks connected to an apical spot are also brown or darker fuscous. The forewing has a round black apical dot, and a projecting blackish hook in the apical cilia. The hindwings are dark grey, and the larvae are pale green. In the Benelux, adult moths are on wing in June, August, and from October to April. This species produces two or more generations per year. Its larvae feed on a variety of fruit trees, including species from the Betulaceae and Rosaceae plant families.