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white letter hairstreak butterfly

White-letter Hairstreak Satyrium w-album

The white-letter hairstreak gets its name from the white lines that form a 'W' shape on its underside. It is an elusive butterfly, spending much of its time in the treetops. Image: Stuart Read (Flickr)

Find out more: iNaturalist, Suffolk Wildlife Trust, Butterfly Conservation, UK Butterflies