The Light Knot Grass (Acronicta menyanthidis) is a species of moth in the Noctuidae family.

This species has two subspecies in Britain, Acronicta menyanthidis menyanthidis, which is local in Britain and Ireland, and Acronicta menyanthidis scotia, which is local in Scotland. This species has grey forewing, usually a light grey, but sometimes a darker grey. This species is found on moors, bogs and heaths.
Light Knot Grass TL

When the Light Knot Grass is active

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