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Dark Arches
June to August sometimes with a partial second generation in the south from September to November. Common throughout Britain. The adults come to light in large numbers and can be one of the most common species in a moth trap during late summer.
Although they can be quite variable in colour they are easily recognised by the large and conspicuous oval and kidney mark and a W-shaped mark near the outer edge of the forewings. There is a dark melanic form f. aethiops which is more frequent in the north.
When the larvae are small they feed on flowers and seeds and when older they feed on roots and stem bases from within a chamber among grass roots where they will overwinter.
What do Dark Arches eat?
Grasses including Common Couch (Elytrigia repens) and Cock’s-foot (Dactylis glomeratus).
What habitat do the Dark Arches live in?
A ubiquitous species, found in gardens, all types of grassland, arable land, hedgerows and verges, woodland, marshes, heathland and high moorland.
What family do the Dark Arches belong to?
Dark Arches belong to the Erebidae family.
Statistics
Apamea monoglypha
England, Wales, Scotland and Ireland
Wingspan Range: 38-52mm
Weight: Medium Sized
Common and very well distributed throughout Britain
Other Wildlife