Moth survey
On 3 August 2022, Montgomeryshire Wildlife Trust held Moth and Bat Evening at Deri Woods, it was a very well attended public event. Here is a list of the moths caught in a variety of traps and released after being identified by local expert Phil McGregor. The best of the night was the Barred Hook-tip which is only the 14th record in Montgomeryshire.
Macro Moths
Large Yellow Underwing Buff Footman July High-flier Small Fan-footed Wave Common Rustic Oak Hook-tip Brimstone Lesser Yellow Underwing Dingy footman Heart and Dart Flame Carpet Black Arches Pebble Prominent Common Carpet Small Phoenix Flame Lesser Broad-bordered Yellow Underwing Wormwood Pug Middle-barred Minor Clouded-bordered Brindle Yellow Tail Early Thorn Pale Prominent Riband Wave Single-dotted Wave Barred Hook-tip Old Lady Gold Spot
(last moth of the night)28 species
Micro Moths
Agriphila straminella
(first moth of the night)Eudonia lacustrata Udea prunalis Plutella xylostella Yponomeuta evonymella Cercina quercana Alucita hexidactyla Blastobasis adustella Cydia splendana 9 species
Bat survey
Most records are from the Moth and Bat Evening in 2022, but there are also a few from other events in 2019 and 2016.
Bats
Species name Common name Nyctalus noctula Noctule Pipistrellus pipistrellus Common Pipistrelle Pipistrellus pygmaeus Soprano Pipistrelle Plecotus Long-eared bat Rhinolophus hipposideros
(one record from 2016)Lesser Horseshoe Bat Myotis daubentonii Daubenton’s Bat ? Unidentified Myotis bat 7 species
River critters
On 16 August 2022 Montgomeryshire Wildlife Trust held a ‘River Critters’ day at Deri Woods here is a list of what was found in the River Banwy by the general public and identified by experts.
Species name Common name Baetidae a swimming mayfly Ecdyonurus a stone-clinging mayfly Leuctra a stonefly Gerris (Aquarius) najas River Skater Limnephilidae a caddis fly Rhyacophila a caddis fly Simulium a blackfly Dytiscidae a diving beetle Gammerus a freshwater shrimp Austropotamobius pallipes White-clawed Crayfish Oligochaeta an earthworm Hydrobiidae a freshwater snail 12 species