Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Variegated Golden Tortrix or Brown Oak Tortrix (Archips xylosteana) is a moth of the family Tortricidae. It is found in Europe.The wingspan is 15-23 mm. The moth flies from June to August.The larvae feed on oak but also apple and pear.A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth (about ten times the number of species of butterfly), with thousands of species yet to be described.