| Euphydryas phaton (Drury, 1773) |
| Status: Very rare stray. |
| Flight Period(s): This butterfly flies in May to mid June in Missouri. |
| Range: This species is found from the New England states west to Minnesota and southwest to Missouri. In Missouri Heitzman (1987) reports it to be rare outside the eastern Ozarks. There are but two Nebraska records, these being from Lancaster and Cherry counties. |
| Larval Hostplant(s): In Missouri various members of the Figwort (Scrophulariaceae) family are utilized including Penstemon and Gerardia species. |
| Overwinter: As partially grown larvae. |
| Commentary/Habitat: This species inhabits dry forests in Missouri (Heitzman, 1987). Details of the Nebraska records are unknown and unless a specimen is located the Cherry county record should be considered suspect. The Lancaster county record is from the early 1900’s. |
| Similar Species: None |
