Butterflies found at Wicken Fen. Correct up to December 1996

Whites and Yellows (Pieridae)
Green-veined White (Pieris napi)
Small White (Pieris rapae)
Large White or Cabbage White (Pieris brassicae)
Orange Tip (Anthocharis cardamines)
Clouded Yellow (Colius croceus) Occasional

Hairstreaks, Coppers and Blues (Lycaenidae)
Green Hairstreak (Callophrys rubi)
Small Copper (Lycaena phlaeus)
Common Blue (Polyommatus icarus)
Brown Argus (Aricia agestis) First seen 1996 - probably occasional
Holly Blue (Celastrina argiolus)

Swallowtails (Papilionidae)
Swallowtail (Papilio machaon britannicus)
Reintroduced in 1993 after extinction in about 1952.

Browns (Satyridae)
Speckled Wood (Pararge aegeria)
Wall (Lasiommata megera)
Gatekeeper (Pyronia tithonus)
Meadow Brown (Maniola jurtina)
Ringlet (Aphantopus hyperantus)
Small Heath (Coenonympha pamphilus)

Emperors, Vanessids and Fritillaries (Nymphalidae)
White Admiral (Ladoga camilla) Occasional
Painted Lady (Cynthia cardui)
Small Tortoiseshell (Aglais urticae)
Red Admiral (Vanessa atalanta)
Peacock (Inarchis io)
Comma (Polygonia c-album)

Skippers (Hesperiidae)
Large Skipper (Ochlodes venata)
Small Skipper (Thymelicus sylvestris)
Essex Skipper (Thymelicus lineola)