SCIENTIFIC NAME: CATOCALA NUPTA
VERNACULAR NAME: RED UNDERWING

Fig 1
ADULT Wingspan - 65 - 75mm. The upperwing surfaces of the forewings a an ashey-grey in colour with numerous subtle crossbands of smoky brown, black and white. The hindwings are a striking red with black crossbands and a white trim. These are flashed when disturbed so as to alarm any would-be predators.
CHRYSALIS N/A
LARVA Pale brown with warty, bud-like lumps on its back. Feed from May to July on Willow and Poplar.
BEHAVIOUR Attracted to light and sugar. Often found at rest by day on walls and fences.
HABITAT Woods, parks and hedgerows.
FLIGHT PERIOD Single brooded. August to September.
STATUS Common resident in Southern Britain.

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