Brimstone is the old name for Sulphur and this so named butterfly is the largest of Britain's yellow species, with a wingspan of 65 to 75mm. This specimen was seen at Thursley Common, but they are common and widespread.

Surrey Thursley Common Nature Reserve Many Butterflies Dragonflies reptiles etc Wildlife in England

ImageID:1220260, Image size: 2592 x 1728 pixels

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