Clouded yellow - Colias crocea

 

Underside.

Family: Pieridae

Flight Time: March - October

Size: 46-54mm

Altitude: 0-1600m (higher on migration)

 

 

Notes

 

A notable migrant which reaches far into Northern Europe during favourable years. In about 5% of the population the female takes a pale form, f. helice, which can be confused with Berger's clouded yellow, Colias alfacariensis and the Pale clouded yellow, Colias hyale.

 

Form helice.

 

Fact File

Similar Species Foodplants Habitat Distribution
Medicago, Trifolium etc.. Many

Clouded yellow distribution.

 

Early Stages

 

  Clouded yellow larva. Clouded yellow pupa
 
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