: These voracious eaters can skeletonize leaves, sometimes stripping entire trees during outbreak years. Common hosts include Douglas-firs, oaks, and maples .
The larvae are the most recognizable stage, often featuring four prominent tufts of hair on their backs and long "hair pencils" extending from the front and rear. tussock moth
: They serve as a primary food source for birds, beetles, and wasps. Their droppings (frass) also return vital nitrogen to the soil. : These voracious eaters can skeletonize leaves, sometimes