Male

Female

Couple

Forewing Length: 23-27mm;
Wingspan: 35-50mm;
Proboscis Length: 15mm

Egg	Larva	Pupa	Adult
(7 - 10 Days)	May - April	?	April - October (Earliest: 18.7) (2 - 4 Generations) Migratory

Biotopes:	Meadows
Food: (Larva) (Oligophagous)	Several Fabaceae
Food: (Adult)	Lotus corniculatus Nectar	Trifolium pratense Nectar	Hieracium murorum Nectar	Epilobium hirsutum Nectar
Parasitoids:	Several Ichneumonidae Larvae	Cotesia ruficrus Larva	Exorista larvarum Larva	Pales pavida Larva
Other Possible Parasitoids:	Several Ichneumonidae Larvae	Several Tachinidae Larvae

Catalogue of the Lepidoptera of Belgium: Colias croceus
UK Butterflies Clouded Yellow
Nature Spot: Clouded Yellow - Colias croceus
Lepidoptera and Their Ecology: Colias croceus
Lepiforum: Colias croceus

Pictures © 2003, 2009 J.K. Lindsey

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