The authors present genomic sequencing data for the extinct Xerces Blue butterfly and report convincing evidence of declining population sizes and increases in inbreeding beginning 75,000 years ago, ...
A short lived perennial often grown as a biennial or annual with long stalks formed with divided green leaves and spikes packed with gentian-blue flowers which can be occasionally white in summer.
Image: The common blue has had its worst summer on record. Pic: PA Image: The gatekeeper was the second most spotted butterfly this year, but its numbers have fallen 28% in 14 years. Pic ...
The European butterfly monitoring scheme combines the population trends of 17 species, several of which, including the Meadow Brown and the Common Blue, are also tracked by the UK’s Big ...
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