Magdalis armigera


    Length 3 to 4.5 mm. There are rows of puncturation on the elytra which are satiny, and a slate black in colour. There are quite large forward pointing projections on the shoulders of the pronotum These are larger and more forward pointing than in any other member of the genus, and so give a good indication as to species when a specimen is examined closely.

    Identification difficulty

    Around elm, usually English Elm (Ulmus procera).

    When to see it

    From April or May to late June or early July.

    Life History

    The larvae bore into the wood of elms.

    UK Status

    Mainly confined to the southern half of Britain as far north as Cumbria and North Yorkshire, very uncommon in Scotland, Wales and western England. It is usually local but where the host plant is plentiful it can be found in numbers.

    VC55 Status

    Occasional and local in Leicestershire and Rutland. There were a total of 12 VC55 records for this species up to March 2015.

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map