Bird Cherry - Oat Aphid - Rhopalosiphum padi

    Description

    1.2 to 2.4 mm, dark green or greyish and globular in shape. Adult Rhopalosiphum padi (apterae) have a coating of mealy wax and live in a rolled leaf gall on their primary host Bird Cherry.

    Identification difficulty
    Habitat

    Wherever the host species occur.

    When to see it

    Most likely to be found on Bird Cherry in late April and May.

    Life History

    Primary host: Bird Cherry (Prunus padus). Secondary hosts: Poaceae especially cultivated Wheat Barley and Maize as well as wild grasses. The eggs of Rhopalosiphum padi are laid on Bird Cherry in autumn in the narrow gap between the axillary buds and the stem.

    UK Status

    Status in Britain is difficult to determine as this species is not well recorded but it is thought to be fairly frequent.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map