Bagworm Moth
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Psyche casta
Known as 'bagworms' or 'case-bearers', the larvae of the Psychidae construct cases from fragments of plant material, in this instance, pieces of grass.
The case is attached to a tree trunk or foliage, or quite often to a wooden fence or gate.
The Larvae feed on grasses, lichens and decaying vegetable matter.
The Caterpillars make a protective hull from grass.
Fairly common throughout the British Isles, but becoming less so further north.
Mainly nocturnal.
They have hairy, brown-metallic shiny wings.
The grub-like Females have legs but do not have wings and are yellowish or light brown, except for some dark brown back plates.
Adults fly in a single generation from May-July.