Animal and plant spicies found in Deri Woods

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.


    Species nameCommon name
    Nyctalus noctula Noctule
    Pipistrellus pipistrellus Common Pipistrelle
    Pipistrellus pygmaeus Soprano Pipistrelle
    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 nameCommon 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