Argent & Sable

  • Argent & Sable
    Argent & Sable
  • Argent & Sable
    Argent & Sable
  • Argent & Sable
    Argent & Sable
  • Argent & Sable
    Argent & Sable

Scientific name: Rheumaptera hastata

Flies by day, particularly in warm or sunny conditions

Flies from May to early July, but extending into the rest of July in Scotland.

Size and Family

  • Family Carpets and Allies (Larentiines)
  • Small / Medium Sized 
  • Wing Span Range (male to female) - 30-38mm

Conservation status

  • UK BAP: Priority Species
  • Nationally Scarce

Caterpillar Description

Overwinters as a pupa, the larva feeds between spun leaves from late May to early September (in Scotland)

Particular Caterpillar Food Plants

Birch (Betula spp.), Bog Myrtle (Myrica gale); also occasionally on sallow (Salix spp.)

Distribution

  • Countries – England, Wales, Scotland, Ireland
  • Widely distributed in western Scotland, and perhaps overlooked in some areas, with scattered sites in north Wales, northern England, the West Midlands and now very locally in southern England.Formerly more widespread in England and Wales. Also found in Northern Ireland.
  • Distribution Trend Since 1970’s = Britain: Declining

Habitat

Coppiced deciduous woodland, boggy moorland and on one site in the Somerset Levels

Factsheets

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