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Moths in caves


Active member
Whilst trying (unsuccessfully) not to be scared at the start of the traverse to the Chapter House pitch in Yordas Pot yesterday, I watched a beautiful moth on the cave wall. I think it was a Tissue moth, overwintering. It circled round and round and then went underneath a small flake and stayed there.

Does anyone know about them? Or other moths that shelter in caves? It was well out of the daylight.


Well-known member
Over the years I have seen several Herald moths hibernating underground, as well as the Tissue moths.


Well-known member
The walls of the first 100 metres of Scoska Cave are covered with them to the extent that you have to be careful where you put your hands. See pages 30-34 of the report of a seminar where  Dave Hodgson gave a talk on them: