Butterflies of Warwickshire, Coventry and Solihull
Clouded Yellow
Colias croceus


The adult butterfly can be seen from Mid May to June, late July to late August and late September through to early October.

Larval Food plants
Wild and cultivated Clovers (Trifolium sp.), Lucerne (Medicago sativa) and occasionally Birds-foot Trefoil (Lotus corniculatus)

Habitat Requirements
In Warwickshire, the Clouded Yellow is an uncommon migrant but during 'Clouded Yellow' years where good weather and southerly winds combine, large numbers may be forced northwards from mainland Europe, through southern Britain into our region. In, Warwickshire like much of the the UK experienced large numbers of Clouded Yellows.

Warwickshire Status
Migrant

Where to see the Clouded Yellow
Can be seen anywhere in the region, especially places where there is a plentiful supply of nectar. Red Clover fields are a good place to look.
Other Species
Please select an alternative species from the list below.

Clouded Yellow
© Steven Cheshire - Female at Nuneaton, Warwickshire
First Sightings
First sighting dates are based on records of Clouded Yellow submitted online. Please note that these dates are not updated retrospectively to include records submitted to the branch recorder in other forms.

20/07/2010 - Draycote Meadows
30/05/2009 - Ryton Wood Meadows
-
29/05/2007 - Bishops Hill, Bishops Itchington
Clouded Yellow Clouded Yellow
© Steven Cheshire - Male at Coughton Court, Warwickshire   © Steven Cheshire - Female
Adult Flight Times
The flight chart below is based on observations of the adult Clouded Yellow in Warwickshire between 2005 and 2008. Peak periods are shown in dark green.
Clouded Yellow Flight Chart
Warwickshire Distribution Maps base on Vice County (CV38) which includes Coventry and Solihull
Distribution of the Clouded Yellow during the indicated period.

Key to Warwickshire Maps: sightings 12-910+
Clouded Yellow - 2007 records / distribution.   Clouded Yellow - 2008 records / distribution.   Clouded Yellow - 2009 records / distribution.   Clouded Yellow - 2000 to 2009 records / distribution.
2007 Distribution Data (1yr)   2008 available soon   2009 Distribution Data (1yr)   2000-09 Distribution Data (10yr)