Common Name: Hydaspe Fritillary
A bright-orange, medium-sized Frit, strongly purplish below (and in our area, nearly unsilvered), limited to mid-elevations on the Sierran West slope where it is common at Lang, occasional at Washington and only an infrequent stray at Donner. A species of mixed-mesic forest, commonly seen along roadsides and in successional stands where it visits Pink Dogbane, Giant Hyssop, milkweeds, Yerba Santa, etc. It frequently co-occurs with S. callippe juba and S. zerene, but generally below S. egleis, mormonia and atlantis. One brood, June-September. Host plants violets; species undetermined.