Site address (not postal)

Woodcroft Wildspace

Woodcroft

London     

N21 3QP

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KNOTGRASS MOTH
photo by Dawn Kandekore
photo by Ruth Bravery
Dawn Kandekore and Ruth Bravery took photos of caterpillars which as far as I can tell are Knotgrass moth larvae. If anyone disagrees please let us know - webmistress.

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.

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