73.346 BF2112

Least Yellow Underwing Noctua interjecta

Hübner, [1803]

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Wingspan 31-36 mm.

A relatively small Noctua, with a rich reddish-brown upperwing. It is widespread, but not common, mainly in the southern half of Britain.

The adults are on the wing in July and August, occurring in a wide range of habitats.

The larvae feed on grasses and other herbaceous plants, and overwinter.