The crossword solution for the term 'Tree Moth' is 'Egger', a five-letter word. Egger is a type of moth that is found in the family Lasiocampidae, which is commonly known as the eggar moths. These moths are found in Europe, Asia, and North Africa, and they feed on the leaves of trees. They have a distinctive pattern of yellow and brown stripes on their wings, and they are usually seen in the summer months.