Most recent first.
f = glowing females, m = males, l = larvae. NR = nature reserve; CP = country park. Maximum numbers only shown. Links are given only for publicly accessible sites. Please note that the arrows on the linked maps may only be 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 www.glowworms.org.uk
RSPB Rainham Marshes, Essex, TQ545793, 3l by day
Milltown, Derbys, private land, 1l under rock by day
Butleigh, Somerset, private land, c.200 larvae in log pile by day
Barton St David, Somerset, private land. 7 larvae found in log pile