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Blue Butterflies Boom in British Heatwave

Candide_Herald
Published on August 7th 2019
26
A insect on the grass
Common butterfly species might experience another bump in numbers after a record-breaking summer.
The 'Common Blue' was once the most widespread of the UK's blue butterflies, spotted in small numbers all over the country.
During last year's summer heatwave their numbers more than doubled, and Butterfly Conservation hopes this upward trend will continue.
A insect on the plant
In a recent report, they predicted that with the country experiencing another heatwave in 2019 and the Met Office forecasting above-average temperatures throughout August, the Common Blue could see its best-ever summer.
Common Blues prefer unimproved grasslands, therefore can't be found in gardens or cities. That's why Butterfly Conservation teamed up with Campaign for National Parks to ask the public to look out for and record the Common Blue at the 13 parks they work to protect across England and Wales.
Two mating Polyommatus icarus common blue butterflies

Common Blue Butterfly

Polyommatus icarus

Butterfly Conservation's Senior Surveys Officer, Dr Zoe Randle, said:
"It would really help us if people could get outside and look for this butterfly, so we can see if its fortunes really have turned around or if the Common Blue still needs our help.
Common Blue males have unmarked, bright blue upper wings, but females have orange crescents and dark spots near the outer edges on a ground colour that varies from purple-blue to dark brown, with a mere tinge of blue near to the body.
The underwings of both sexes have numerous black spots, with white halos and orange marks around the edges.
If you spot any of the Common Blue butterflies, you can submit your sightings at www.bigbutterflycount.org

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