A chance find...

 I went for a short walk this afternoon in an old urban part of Llanelli, not with moths particularly in mind but rather to see whether any casual botanising would turn up anything of interest. While walking along Langland Road, a street overlooking the old goods sheds and sidings, just east of the railway station,  I saw a roadside elm ahead but, when approaching it, noticed a bunch of workmen in a van opposite. Being an anti-social individual and not wishing to strike up a conversation as to what I was doing, a 9 inch length of leafy twig was snapped off and placed it in a plastic bag along with some other plants.

I have just opened that bag and was surprised to see that it contained a lime hawk-moth caterpillar. As elm is given as a food-plant in the text books, I had long suspected that the adults caught in the Llanelli area were feeding on Ulmus. Here the elm was English elm Ulmus procera, so at least we now have proof of a preferred Carmarthenshire food-plant.