Identification key to the Arctiidae occurring in the Dakotas
19. (18) Forewing costal margin white above radial stem. Go to 20.
19a. Forewing without transverse bar at end of discal cell, hindwing yellow to yellow orange. Go to 21.
19b. Fw with black above radial stem and white bar at end of cell, hw usually salmon pink. Go to 22.
