Wednesday, 24 January 2018

Glow worm reports 2018

Most recent first.

f = glowing females, m = males, l = larvae.  NR = nature reserve. Date of maximum numbers only is shown. Links are given only for publicly accessible sites. Please note that the arrows on the linked maps are only accurate to within 100-200 metres, so do not go on to private land or a garden on the basis of the arrow alone. Information is supplied on the basis of reports received and we can't guarantee that you will see any!
For more information about the UK Glow Worm Survey or to report where you've seen one, please go to

6 January
Middlebarrow Quarry, Cumbria, SD4661276603, 3 larvae under stones