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Knot Grass Acronicta rumicis Length 18-20mm. A subtly attractive moth that rests with its wings held in shallow tent-like manner. Adult has greyish forewwings with a powdery look to them; they are marked with pale and dark cross bands, a central eyespot and a white mark on the trailing margin. Flies May-July, with a second brood in the south flying August-September. Colourful larva is brown with white marks and red tufts of hair; feeds on a range of herbaceous plants. Widespread and common in southern and central Britain; more local further north.