Life … Animals Arthropods Insects Butterflies and Moths Underwing, Tiger, Tussock, and Allied Moths Lymantria Lymantria Black Arches species 10,429 observations Black Arches Lymantria monacha Field notes Supported by All 6 native plantssupport it in the US Caterpillar hosts Plants its caterpillars eat Common Bilberry, Lodgepole Pine, Bog Bilberry, Sitka Spruce 6 Close