Red-necked Footman
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Atolmis rubricollis
Common & widespread in the southern half of England & Wales.
It's mainly nocturnal, but sometimes flies in the daytime.
The Larvae feeds on Lichens & Algae on tree trunks and can be found between August and October.
They are a small Moth that is mostly charcoal grey or deep dark brown (fresh specimens almost black), but has a conspicuous orange thorax, part of which is visible behind the black head as an orange-red collar.
The hindwings are brownish grey.
Adults fly in a single generation during June & July.