Azure butterfly bounces back from cyclical decline caused by parasitic wasps with numbers increasing by 151% on last years’ annual great Butterfly countA butterfly locked in a cyclical struggle with a parasitic wasp has bounced back this summer after years of shortage,according to the world’s largest annual insect count.
The holly blue, the only blue butterfly regularly seen flying in gardens and city centres, or increased by 151% on 2014 in Butterfly Conservation’s great Butterfly Count.
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Source: theguardian.com