Life … Animals Arthropods Insects Butterflies and Moths Brush-footed Butterflies Issoria Queen of Spain Fritillary species 36,821 observations Queen of Spain Fritillary Issoria lathonia Supported by All 10 native plantssupport it in the US Caterpillar hosts Plants its caterpillars eat Marsh Blue Violet, Alpine Marsh Violet 2 Nectar plants Plants whose flowers it visits Common Yarrow, Canada Hawkweed, Canada Goldenrod, Pineapple-weed 8 Close