Chrysaster ostensackenella (Fitch, 1859), a potentially invasive species newly recorded from Europe (Lepidoptera, Gracillariidae)

Abstract

Chrysaster ostensackenella (Fitch, 1859), originally a New World species with recent records from East Asia, is newly reported from Europe (Italy, Province Rieti). The potentially invasive species is a trophic leaf-mining specialist on Robinia. Species identification is based on DNA barcoding and morphological characteristics.