The Large Thorn (Ennomos autumnaria) is a moth of the family Geometridae. The species can be found in Europe. The wingspan is 40–50 mm. The length of the forewings is 21–28 mm. The moths fly in one generation from September to October. They are attracted to light. The caterpillars feed on a number of deciduous trees.
Species recognized by Watson, G., , LepIndex: The Global Lepidoptera Names Index in
Attributes / relations provided by ♦1Biological Records Centre Database of Insects and their Food Plants♦2HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández