The wet summer is having a "dramatic effect" on ground nesting bumblebees, according to a conservation trust.Species at risk include the great yellow, which is the rarest in the UK and clings to survival in areas of the Highlands and Islands.
The Bumblebee Conservation Trust launched a national garden watch and a drive to boost the insect's numbers earlier this year.
It said rain-sodden ground and moss was a threat to certain species.
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