Male	Female
	Pupa
Larvae

Forewing Length: 28-33mm;
Wingspan: 50-65mm;
Proboscis Length: 15-16mm

Egg	Larva	Pupa	Adult
April - September (4-10 Days)	April - November (Earliest: 2.7)	(Winter) (Earliest: 5.9)	April - October (Earliest: 9.4) (2-4 Generations) Migratory

Protective Chemicals
Glucosinolates	Allylglucosinolate, Allylisothiocyanate, Allylthiocyanate
Attractant Chemicals
Glucosinolates	Glucobrassicin, Glucocapparin, Glucosinalbin, Glucotropaeolin, Methylglucosinolate, Sinalbin, Sinigrin
Deterrent Chemicals
Cardiac Glycosides	Strophanthidin
Ecdysteroids	Ecdysone, Hydroxyecdysone

Biotopes:	Meadows	Gardens
Food: (Larva)	Several Brassicaceae
Food: (Adult)	Several Asteraceae Nectar	Clinopodium vulgare Nectar	Galeopsis tetrahit Nectar	Rubus fruticosus Nectar
	Silene flos-cuculi Nectar	Geranium robertianum Nectar	Vicia cracca Nectar	Epilobium angustifolium Nectar
Parasitoids:	Many Ichneumonidae Larvae	Several Braconidae Larvae	Several Tachinidae Larvae
Other Possible Parasitoids:	Several Ichneumonidae Larvae	Several Tachinidae Larvae
Predators:	Chrysopa perla Larva

Catalogue of the Lepidoptera of Belgium: Pieris brassicae
UK Butterflies Large White
Nature Spot: Large White - Pieris brassicae
Lepidoptera and Their Ecology: Pieris brassicae
Lepiforum: Pieris brassicae

Pictures © 2003, 2004, 2006, 2018 J.K. Lindsey

Caution

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