A painted lady taken on May 29, 2009. Last month, millions of painted lady butterflies reached the UK's shores after an epic migration from the Atlas Mountains of North AfricaPhotograph: guardian.co.ukA common blue butterfly taken on June 6, 2009Photograph: guardian.co.ukGreat Spangled Fritillary taken on June 6, 2009Photograph: kackiejane
A Callophrys rubi, also known as a green hairstreak, taken on April 26, 2009Photograph: z wilsonsaA peacock butterfly photographed on the north side of Scarborough, April 5, 2009Photograph: Jax WestmorelandSix-Spot Burnet taken on June 12, 2009Photograph: Andy WebA common leopard butterfly taken on April 3, 2009Photograph: ash.winA swallowtail butterfly taken on June 15, 2009Photograph: kelebekjiA green swallowtail butterfly taken on May 11, 2009Photograph: clogless1This is one species we can't identify here at Guardian towers, taken on May 21, 2009 Answers on a postcard to our blog pleasePhotograph: guardian.co.uk
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