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Clouded Yellow Butterfly (Colias croceus)

 

As a migrant butterfly, the Clouded Yellow is reliant on favourable winds for its journey from the warmer countries in Europe for its arrival in the UK during later spring months. The number of butterflies that make the journey varies widely from year to year.

With continued good weather conditions, the off-spring of these new inhabitants, may add to other new arrivals later in the season. The number of butterflies often peak late August, they may appear just about anywhere in the country, often in open countryside habitats, on meadows, hills and downs.

The Clouded Yellow is a fast flying butterfly, mostly seen on warm sunny days, flying low to the ground, standing out in flight due to its bright orange inner wings, stopping occasionally to nectar on wildflowers like scabious and Hawkweeds while searching for potential mates.

Clouded Yellow - Aston Rowent - August 2013

Clouded Yellow Butterfly

Clouded Yellow Butterfly stopping briefly to nectar on Scabious flowers

During times of cloud cover the clouded yellow will often rest in a sheltered spot in long grass or find a bare patch of warm soil, tilting its wings towards the sun.

Quick Info: Clouded Yellow Butterfly

  • Name: Clouded Yellow (Colias croceus)
  • Family Group: Pieridae
  • Wingspan: Around 40mm.
  • Habitat: Open Countryside, Meadows, Hills and Downs.
  • Nectar Plants: Scabious (Knautia arvensis), Dwarf Thistle (Cirsium acaulon), Hawkweeds (Hieracium spp.)
  • Larval food Plants: inc Lucerne (Medicago sativa), Birds-foot trefoil (Lotus corniculatus) and Various Clovers
  • Location: Aston Rowant, Oxfordshire.
  • Photographed: 11th August 2013.
  • Note: Thanks to Max Maughan of EM Butterfly Conservaton.
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