Black Arches - Lymantria monacha


Wingspan 30 to 50 mm. This attractive black and white species often shows traces of bright pink on the body, especially the abdomen, which however is normally concealed when at rest. The males, which can be attracted to light, are smaller than the females, but have very large, feathery antennae.

Identification difficulty

Chiefly in woodland habitats.

When to see it

Adults fly in July and August.

Life History

The larvae feed in the spring, usually on Oak but sometimes on coniferous trees.

UK Status

Distributed throughout the southern half of Britain, but never common.

VC55 Status

Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant).

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map