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Identification of the Angle Shades Moth
The Angle Shades moth has a wing span of up to 50mm. When at rest the wings are held back alongside its body and have a distinctive upturned fold towards the lower part of the costa.
The subtle shades of greens and browns are wonderfully cryptic when set against a background of autumnal leaves.
It is widely distributed throughout the British Isles but commonest in the south where multiple broods can occur.
The main flight period is between May and October but they can be recorded in almost any month of the year.
The arrival of migrants from Europe can further boost numbers particularly in the south.
Illustrated Guide to Caterpillars
The larval food includes a diverse range of herbaceous plants, shrubs and deciduous trees including dock, bramble, nettle, oak and sallow.
They are readily attracted to light and can often be found nectaring at flowers such as Buddleia at night.
Identification of the Angle Shades Moth caterpillar
The caterpillars grow up to 45mm and may be green or mixed shades of brown, sometimes with hints of yellow.
The head colour varies from green to mottled brown and a fine, pale dorsal line runs down its back.
A broad pale band extends along the length of the body below the spiracular line.
The caterpillars are commonly found by gardeners when weeding.
Help with caterpillar identification
Late broods will overwinter as caterpillars and pupate during the spring.
The adult moths emerge after about three weeks depending on the temperature.
Rearing Angle Shades moths
The caterpillars can be fed on a wide range of easily obtainable plants such as dock, bramble and sallow.
In readiness for pupation a thin layer of dried leaves or soil can be provided although caterpillars will readily spin cocoons on the sides of holding containers.
It was reared in a small, plastic container with air holes and a supply of dock.
It fed intermittently for a few days before spinning a cocoon on the edge of the container.
Twenty days after pupating the adult moth emerged and was released.
To supplement information gained from personal studies the following books have been consulted:
Recommended moth reference and caterpillar books