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Wednesday, June 24, 2026

NANT-Y-GAMAR – SEARCHING FOR CISTUS FORESTER

Jenna and I spent the evening at Nant-y-Gamar in North Wales walking around the limestone hillside in search of the Cistus Forester moth. I have always wanted to visit the area, so tonight we planned to try to see them before heading to Morfa Conwy for a three-hour moth-trapping session in the hope of catching some coastal species.

        

   
Nant-y-Gamar

This small, localised population of a macro moth has been confirmed through examination of the genitalia.

We spent a good hour searching for the Cistus Forester moth. There was plenty of its food plant, Bird’s-foot Trefoil and Common Rock-rose, but at first we had no luck. As we climbed higher, we eventually found four amongst the Common Rock-rose.



Cistus Forester

Delighted to have found them, we then moved on to the beach at Morfa Conwy where we trapped until 1am. 

Morfa Conwy

Our main targets were Archer’s Dart and Sand Dart, and we managed to trap both.


Archer’s Dart


Sand Dart

A great evening out, with all target species now on the list.