- click for Adult Macro Verification Guidelines
- Generally Common / Widespread 
- Day-flying
- care required in the identification process, as confusion with similar species is likely - quality photographs required. Confusion Species: Light Orange Underwing
ID pointers: The Orange Underwing is a day flying moth and very active in warm spring sunshine, appearing orange brown in flight. Can be confused with the similar Light Orange Underwing.
Examination of the antennae is required to ID the species. Male Orange Underwing antennae are finely serrated (bipectinated), whereas the Male Light Orange Underwing antennae is feathered. There is also a strong white diagonal cross-band on the upper forewing of this species. On the under hindwing the orange band extends to outer-edge. On Light Orange Underwing the dark outer band is unbroken.
Examination of the antennae is required to ID the species. Male Orange Underwing antennae are finely serrated (bipectinated), whereas the Male Light Orange Underwing antennae is feathered. There is also a strong white diagonal cross-band on the upper forewing of this species. On the under hindwing the orange band extends to outer-edge. On Light Orange Underwing the dark outer band is unbroken.
Distribution: A beautiful spring moth that is widely distributed in Derbyshire and locally common wherever there are areas of birch.
Forewing: 16-19mm
Blue-coded ] moths are not stored on the website at this current time. IMAGES BELOW: Foremark Reservoir, Derbyshire – Tony Davison ©
Orange Underwing - Foremark Reservoir - Tony Davison©
Orange Underwing - Foremark Reservoir - Tony Davison©
