On the 14th June, I observed that the Common hawthorn (Crataegus monogyna) hedgerow on either side of the B4518 between Llidiarddau & Cenarth Mill was covered in what initially looked like spider webs. I managed to make a return visit on 22nd June, and on closer observation they were found to be a moth – possibly Orchard Ermine moth (Yponomeuta padella), although I am unable to find out very much about them. The affected sections of hedgerow are not continuous, but a lot of the vegetation has been stripped bare. I took a series of photos at SN9765678118, which I have sent to the County Recorder for identification.
The Orchard Ermine (Yponomeuta padella) is a lepidoptera from the family Yponomeutidae, the Ermine moths. It is also known as the Cherry Ermine, and the larvae feed on Prunus spinosa, Crataegus and Prunus. I don’t know much about moths, so this has been a bit of guesswork so far. As the larvae grow, I may be able to take further photos which may aid further identification.
(From Brian Matthews, Pant y dwr)