Butterflies released in Finland contained parasitic wasps – with more wasps inside

Butterflies released in Finland contained parasitic wasps – with more wasps inside

When caterpillars of a beautiful butterfly were introduced on to the tiny island of Sottunga in the Åland archipelago, scientists hoped to study how the emerging butterflies would disperse across the landscape. But researchers did not realise that their introduction of the Glanville fritillary (Melitaea cinxia) led to the emergence of three other species on […]

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UK’s rare spring butterflies make a late show

UK’s rare spring butterflies make a late show

The UK’s spring butterflies are being welcomed by enthusiasts, but weeks later than they usually arrive. The second-coldest March on record contributed to the delayed emergence of many rare species, according to the charity Butterfly Conservation. “First sightings” recorded by the public showed the insects typically appeared a fortnight later than normal. One rare species […]

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