Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Sycamore Leaf Blotch Miner (Ectoedemia platanella) is a moth of the Nepticulidae family. It is found in the eastern parts of the United States. The wingspan is 5.5 7 mm.The larvae feed on Platanus species. They mine the leaves of their host plant. The mine consists of a narrow entrance and is filled with frass in the center. The mine has the appearance of a brown, circular blotch just below the leaf cuticle. Heavily mined leaves may drop prematurely.