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Hot 2019 helps butterfly numbers 24 March 2020

Warm summer of 2019 gives flight to butterfly numbers (via The Guardian)


marbled white butterfly
 

By Patrick Barkham

The record temperatures of summer 2019 helped make it the best season for butterflies in 22 years, with more than half of Britain’s species increasing in number.

Last summer delivered a winning combination of warmth, sunshine and rain which ensured that caterpillars fed up on lush plants before emerging as adult butterflies.

The marbled white enjoyed its best year since scientific monitoring began in 1976, continuing its climate–assisted march northwards, and the dark green fritillary enjoyed its third best year on record, its numbers up 51% on the previous year.

Read more via The Guardian