Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Shagreened Slug Moth (Apoda biguttata) is a moth of the Limacodidae family. It is found in eastern North America.The wingspan is 19-30 mm. The moth flies from April to August.The larvae feed on various deciduous trees, including Carpinus, hickory and oak. 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.