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70.131 (BF1809)

Twin-spot Carpet   

Mesotype didymata
Adult: 2
Resident, common, widespread. Widespread in Britain in a range of habitats. Its abundance and distribution have significantly decreased since 1970.


The course texture of the forewing with the twin-spots located inside the scalloped outermost cross-line are diagnostic.

Recording method

Male flies by day on warm, dry weather and at dusk, females come to light.

Life cycle

One generation. Overwinters as an egg. Larvae are present April to June.

Larval foodplants

Bilberry, Cow Parsley, Heather, Red Campion and sallows and other herbaceous plants.


Light upland and lowland woodland, moorland, sand-dunes and sea-cliffs.


First recorded for Dumfries and Galloway in 1820 for VC72 at Raehills by Little who said it was ‘common’, in 1899 for VC74 near Monreith by Morton and in 1942 near Gatehouse of Fleet by Russell.

748 record(s) from 67 hectad(s) in D&G

VC74 VC73 VC72
Last recorded 2021 2022 2022

 UK Moths website - further information on species (with photos)

 East Scotland Butterfly Conservation website - national distribution maps and phenology

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