Shallot Aphid - Myzus ascalonicus


    The adult wingless form is 1.1 to 2.2 mm long and shiny pale green to dirty yellow. Its appendages are all pale except for the ends of the antennae and the 'ankles/feet' which are all quite black. The two tubes (siphunculi) at the rear end are pale, short to medium in length with the apical part slightly swollen. The tail (cauda) is roughly triangular in shape and short. Winged forms are produced in spring, and migrate from late April through to mid June.

    Identification difficulty

    It has been recorded on over 200 plant species from 20 plant families. Overwintering takes place in glasshouses and other protected places such as potato stores, on onions, shallots, swede or beet. It can also pass the winter in the open on plants such as chickweed and crane’s-bill under hedges or similar shady spots.

    When to see it

    All year round

    Life History

    This species is not known to produce overwintering eggs at all, but the adult overwinters (see above) and seems well able to tolerate the cold.

    UK Status

    Common and widespread in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known, but thought to be common.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map