Hermia Underwing
Catocala hermia Edwards, 1880 (= C. californica)
Family: Erebidae
Status: Resident
Range: Found in the western United States east to the western edge of the Dakotas and Nebraska.
Larval Hostplant(s): Poplar (Populus) and Willow (Salix).
NENHP Ranking: Not listed.
Broods/Flight Times: A single summer brood, late July to September.
Habitat: Deciduous woodlands and prairies with/near host plants.
Avg. Wingspan: Medium Sized, 2 1/4 – 2 2/3 Inches.
Found at:
Overwintering: As eggs on tree bark.
Identification: FWs nearly uniformly gray-brown with thin but contrasting medial lines. There is a distinct double reniform spot. The HWs are pinkish red with the inner black band even, relatively narrow and terminating well before the inner margin (5)
Similar Species: – C. luciana has browner broader FWs and orange HWs. C. semirelicta is usually larger with gray powdery FWs and a more orange-pink hue on the HWs. (5)
Notes: Identifying features illustrated.
Literature Cited: (5) Bill Oehlke’s Moth website
🔗Links: Moth Photographers Group, BugGuide.net
