| UK BAP status: | Not listed |
| Local status: | A migrant.
It breeds here, but does not over-winter.
'Clouded Yellow Years' occur when large numbers of migrants arrive. |
| Size: | Medium. |
| Larval foodplant: | Legumes such as Clover, Lucerne and Common Bird's-foot-trefoil. |
| No. of broods: | One or two in the UK. |
| Flight time(s): | Typically seen June to October. |
| Winter: | Continuously brooded in North Africa and southern Europe.
UK individuals can emigrate in the autumn. |
| Habits: | A strong and fast flier.
Only flies in sunshine.
Restless, only feeding briefly before moving on.
Never rests with wings open.
About 10% of females are the pale form known as helice which may be between white and lemon yellow. This form may be confused with two other species, Pale Clouded Yellow and Berger's Clouded Yellow, but the black borders on the upper-surface are much bolder in helice than the other two species which are also much rarer. |
| Habitats: | May occur anywhere but prefers chalk downlands and clover fields. |
