Corythucha ciliata, commonly known as the sycamore lace bug, is a small insect belonging to the family Tingidae. It is characterized by its transparent wings with intricate lace-like patterns, which give it its name. This insect feeds on the undersides of leaves, particularly those of sycamore trees, causing stippling and discoloration. It is considered a pest in some regions due to its ability to damage the foliage of various tree species.