Profenusa pygmaea


    The larvae of the sawfly Profenusa pygmaea mine the upper surface of the leaves of various species of oak creating a large blister mine - usually with a narrow 'neck' where it begins, but without a real initial corridor. Frass in gradually larger grains scattered in the mine. 

    Identification difficulty

    Adult Leafmine

    ID guidance

    The mines may be found wherever the host oak species occur

    When to see it

    The mines may be found when the host oak species are in leaf.

    Life History

    Never more than one larva in a mine. Pupation outside the mine.

    UK Status

    Seems to be fairly widespread in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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