One of Wales’ rarest moths has been seen in the Brecon Beacons National Park for the first time in 100 years, wildlife charity Butterfly Conservation can reveal.   The Narrow-bordered Bee Hawk-moth was previously found on 12 sites across Wales, but four new sites have been discovered this year, including Cwm Cadlan National Nature Reserve in the Brecon Beacons.   This day-flying moth is a distinctive bumblebee-mimic, with a yellow and black abdomen and transparent wings, which have well-defined…