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73.348 ~ 2111 ~ Lesser Broad-bordered Yellow Underwing ~ Noctua janthe
UK Status

Resident. Common

Montgomeryshire Status

A very common species found throughout the county.

Wingspan :  M & F, 34-44mm.

Confusion species

Langmaid's Yellow Underwing (see blue circles in pictures below which highlight the key differences of this species).
Flight time (Montgomeryshire)


Found in various sites up to a medium altitude


Dock, blackthorn, sallow and a wide range of shrubs and plants.

Lifestage data

The larva is found from September to May, overwintering near the soil surface. It pupates underground.
Montgomeryshire photos

Photo by MDH, 12th Aug 2009, Llanfyllin

Photo by TS, 6th Aug 2011, Pontrobert
Pic shows larger central yellow area on top side of hindwing (circled).

Photo by TS, 6th Aug 2011, Pontrobert
Pic shows under side of forewing - dark edge has finger like projections (circled).