Life … Animals Arthropods Insects Butterflies and Moths Dart, Sallow, and Cutworm Moths and Allies Polia Alpine Arches species 39 observations Alpine Arches Polia richardsoni Field notes Supported by All 12 native plantssupport it in the US Caterpillar hosts Plants its caterpillars eat Alpine Milkvetch 1 Nectar plants Plants whose flowers it visits Entireleaf Mountain-Avens, Bog Bilberry, Moss Campion, Alpine Bistort 11 Close