Knotgrass (Acronicta rumicis)

Forewings are a mottled mixture of light and darker grey with a span of 34-44 mm.

This is a species but the Knotgrass usually shows a curved white mark near the rear edge of the forewing.

Knotgrass moths are found in a variety of habitats from woodland to suburban gardens. Adults appear commonly at dawn and will visit flowers. It rests during the day on the trunks of trees and fence posts. The larvae feed from July to September on a range of herbaceous plants, mostly willow and hawthorn.

It is common in most of Britain, and has a wide distribution except in Scotland where it occurs less frequently.

It flies from April to September, and a second brood appears in July in the South of England.

The larvae feed on a range of herbaceous plants.