Different species of butterfly have different strategies for surviving the winter, so we have listed how each species found in Dorset spends the chillier months.

Overwinter as adults:

  • Brimstone
  • Small Tortoiseshell
  • Peacock
  • Comma

Overwinter as caterpillars:

  • Small Skipper
  • Lulworth Skipper
  • Large Skipper
  • Dingy Skipper
  • Small Copper
  • Small Blue
  • Brown Argus
  • Common Blue
  • Adonis Blue
  • White Admiral
  • Purple Emperor
  • Small Pearl-bordered Fritillary
  • Dark Green Fritillary
  • Silver-washed Fritillary
  • Marsh Fritillary
  • Wall
  • Marbled White
  • Grayling
  • Gatekeeper
  • Meadow Brown
  • Ringlet
  • Small Heath
  • Speckled Wood: caterpillar or chrysalis

Overwinter as chrysalises:

  • Grizzled Skipper
  • Wood White
  • Large White
  • Small White
  • Green-veined White
  • Orange Tip
  • Green Hairstreak
  • Holly Blue
  • Duke of Burgundy

Overwinter as eggs:

  • Essex Skipper
  • Silver-spotted Skipper
  • Brown Hairstreak
  • Purple Hairstreak
  • White-letter Hairstreak
  • Silver-studded Blue
  • Chalkhill Blue

Non-natives:

  • Painted Lady: not known to breed over winter in the UK.
  • Red Admiral: not generally native, but a few may overwinter as adults
  • Clouded Yellow: not generally native, though a few overwinter on Bournemouth’s cliffs in the chrysalis stage.