Reddish Light Arches (Apamea sublustris) | Species | ||||
Taken at Aston, Oxon., on June 13th 2023. (1/250th sec at f11. © David Hastings) DescriptionFamily: Noctuidae Wing span: 36 - 42mm This species is similar to the Light Arches, but is generally smaller and darker. The diagnostic features are clearly-defined reddish-brown wedges on the outer edge, and a central brown bar. It is fairly well distributed in central southern and south-east England. Local elsewhere, and absent from Scotland. Habitats are said to be chalk and limestone grassland, breckland, sand-dunes and shingle. However it can also be found on non-calcareous grassland. There is one generation from June to July. It over-winters as a larva. Larvae feed on the flowers, seeds and roots of grasses. It comes to light from dusk. Sightings
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