Ongoing, mainly May -June and August - September


Various locations in West Wales


  • Judy Burroughs

51.843610625826, -4.1445135839844

The Marsh Fritillary is one of the UK's most threatened butterfly species, but can still be found in special grasslands throughout Wales, especially in the West and South-west.

Marsh Fritillary Map

Populations of this species can be monitored by counting the adults in summertime or the webs that the larvae make in late summer. Volunteers are needed to help with these tasks. To find out more, please contact our Wales Conservation Support Officer Judy Burroughs at @email

Please also check our Wales events listings for any training events near you.

Activity category
Public engagement