A migrant species that can sometimes arrive in large influxes with other migrants.

The Rusty Dot Pearl has multiple generations each year, usually spending winter as a pupa in the soil.

Caterpillars can reach a length of 10–15 millimetres (0.39–0.59 in. The adult moth flies at night and is attracted to light.

Flight Times

Primarily a migrant species to the UK but can be found at almost any time of the year.

Size and Family

  • Family – Crambidae

  • Small Sized 

One of our more common winter moths, especially during mild spells, and can be found feeding at sallow blossom in early spring

Flight Season

Flies from September through to May.

Size and Family

  • Family – Noctuidae
  • Small Sized
  • Wingspan Range – 28-36mm

Conservation status

  • UK BAP: Not listed
  • Common

Caterpillar Food Plants

Caterpillars feed on the foliage of a range of trees, including birch (Betula) and oak (Quercus).

A variable species but most often encountered as a reddish-brown ground colour with white or orange reniform stigmata. The small 'satellites' either side of the stigma can be obscure, especially in worn individuals.

Adult moths are attracted to sugar and light.

Flight Season

Flies from September through to April in one generation.

Flies from dusk into the night when it is attracted to light.

Flight Season

Flies from June and July, and again in August and September in two generations.

Size and Family

  • Family – Erebidae
  • Small Sized
  • Wingspan Range – 18-22mm

Conservation status

  • UK BAP: Not listed
  • Relatively common

Caterpillar Food Plants

Caterpillars feed on various grasses

Habitat

Damp meadows and woodland

Not found in the UK.

Size and Family

  • Family: Nymphalids
  • Size: Medium
  • Wing Span Range (male to female): 35-55mm

Conservation Status

  • Butterfly Conservation priority: Low                    
  • European Status: Not threatened

Caterpillar Foodplants

Caterpillars feed on leaves of the Nettle-tree (Celtis australis)

Habitat

Open light woodland but also shrubs and even urban places

Not found in the UK.

Size and Family

  • Family: Nymphalids
  • Size: Large
  • Wing Span Range (male to female): 65-90mm

Conservation Status

  • Butterfly Conservation priority: Low                    
  • European Status: Not threatened

Caterpillar Foodplants

Caterpillars feed on leaves of the Strawberry tree (Arbutus unedo)

Habitat

Wooded hillsides with plenty of foodplant but can sometimes be found in town centres.

Not found in the UK. Adults fly in a single brood from late May through to August. Winter is spent as an egg or young caterpillar.

Size and Family

  • Family: Nymphalids / Fritillaries
  • Size: Medium
  • Wing Span Range (male to female): 30-44mm

Conservation Status

  • Butterfly Conservation priority: Low                    
  • European Status: Not threatened

Caterpillar Foodplants

Caterpillars feed on Bramble.

Not found in the UK.

Overwinters as a caterpillar.

Size and Family

  • Family: Blues & Hairstreaks
  • Size: Small
  • Wing Span Range (male to female): 20-30mm

Conservation Status

  • Butterfly Conservation priority: Low                    
  • European Status: Not threatened

Caterpillar Foodplants

Caterpillars feed on Common Bird's-foot-trefoil and Gorse.

Habitat

Grassy, flowery places such as Meadows, farmland and wasteland.

Not found in the UK. This striking butterfly exhibits seasonal dimorphism, having two forms, levana and prorsa that represent the spring and summer broods. levana individuals are primarily orange in colour, giving them the appearance of a small fritillary, whereas prorsa individuals look more like a small White Admiral.

Not found in the UK. There are two forms of this magnificent butterfly - the blue form ilia and the orange-brown form clytie, the latter is more commonly encountered in southern regions of its distribution.

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