Lunar Underwing Omphaloscelis lunosa

Noctuidae » Xyleninae

Lunar Underwing Omphaloscelis lunosa

73.193 BF2270 Lunar Underwing Omphaloscelis lunosa (Haworth, 1809)

Wingspan 32-38 mm. Forewing length 14-17mm. There is a dark ‘crescent moon’ marking on the pale underwing of this moth which gives it its name. The forewing ground colour is quite variable, ranging from yellowish-orange to dark brown. The paler veins give it a somewhat netted look.

Lunar Underwing Omphaloscelis lunosa

The adult flies in one generation from mid-August to late October. It regularly comes to light, and is found in grassy areas like parks, gardens and downland. A resident species, it is common and widespread in the south, more localised further north. The larva feeds on grasses.

Lunar Underwing Omphaloscelis lunosa

Lunar Underwing Omphaloscelis lunosa

Lunar Underwing Omphaloscelis lunosa

© Pete Hillman September 2017.

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